By following the stages in the right order, you may understand how the pancreas produces bicarbonate ions: Carbonic acid dissociates into H+ and HCO3-.
Digestive enzymes and bicarbonates are two secretions found in pancreatic juice that are crucial for healthy digestion. Exocrine acinar cells produce and secrete the enzyme, whereas the epithelial cells lining the tiny pancreatic ducts secrete bicarbonate. The pancreas secretes bicarbonate, which the small intestine uses to neutralize chyme.
In order for the digestive enzymes to function, the mixture has to be neutralized. An enzyme- and bicarbonate-rich fluid is secreted by the pancreas. Alkaline secretions are crucial for activating enzymes and buffering acidic chyme as it enters the duodenum. Ingestion, propulsion, mechanical digestion, chemical digestion, absorption, and feces are all examples of digestive processes.
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true/false. the peptidoglycan cell wall and the one or two membranes present also impart a three-dimensional shape to the bacterial cell. the overall shape and arrangement of bacteria are genetically determined, so that each genus of bacteria has a characteristic shape (round, rod, spiral, etc.) and arrangements of the growing cell population (individual cells, chains of cells, or clustered cells).
Bin 1 - A single spherical bacteria image.
Bin 2 - A solitary rodishaped bacteria image.
Bin 3 depicts a cluster of spherical microorganisms.
Bin 4 depicts a thread of rodishaped microorganisms.
Bin 5: Illustration of a vibrio (commaishaped) bacterium.
Bin 6 - Illustration of a spirochete bacterium with a corkscrew form.
1. cocci 2. Bacilli. 3.Staphylococci. 4.streptobacilli 5. vibrio. 6.Spirochete
Peptidoglycan is a component of the bacterial cell membrane that protects the cell from bursting owing to turgor and keeps the cell shape. Peptidoglycan, which is made up of glycan chains joined by short peptides, creates a net-like macromolecule that wraps around the cytoplasmic membrane.
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The peptidoglycan cell wall and the one or two membranes present also present a three-dimensional shape to the bacterial cell. The overall shape and arrangement of bacteria are genetically determined so that each rubric of bacteria has a characteristic shape( round, rod, helical, etc.)
Peptidoglycan( murein) is an essential and specific element of the bacterial cell wall set up outside the cytoplasmic membrane of nearly all bacteria( Rogers et al., 1980; Park, 1996; Nanninga, 1998; Mengin- Lecreulx & Lemaitre, 2005). Peptidoglycan provides severity to the cell wall; the cell walls of Gram-positive bacteria may contain up to 40 layers of peptidoglycan, conferring significant mechanical strength.
Peptidoglycan is a rigid envelope girding the cytoplasmic membrane of the utmost bacterial species. It helps cover bacterial cells from environmental stress and helps save cell morphology throughout their life cycle. Peptidoglycan biosynthesis is also an important controller of bacterial cell division.
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A certain type of lens changes the direction of light rays from A to B. What property does
this illustrate?
A. refraction
B. polarization
C. diffraction
D. reflection
E. deflection
The correct option is B. polarization. A particular kind of lens known as a Polarized lens alters the path of light rays point A to point b B.
Define the term Polarized lens?In order to improve eyesight and eye safety outdoors, polarized lenses are a sort of treated lenses intended to reduce glare as well as eye strain.
Outdoor glare is lessened with polarized sunglasses because they have been chemically altered to block part light from getting through the lenses. For people who spend a lot of time outdoors, polarized prescriptive sunglasses might be a smart option because they better block out strong light that causes eye strain than normal sunglasses.Before reaching a target, light must pass through two polarizing filters, and if the filters are 90 degrees apart, the target will not get any light. Light would reach the target if a 3rd filter is inserted between the initial two, angled at a 45° angle.Thus, A particular kind of lens known as a Polarized lens alters the path of light rays point A to point b B.
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eukaryotic cells have two particular methods with which to divide: mitosis and meiosis. each process has unique properties that allow it to achieve highly efficient and specific replication. which of the following statements best describes a key difference between the processes of mitosis and meiosis? let w represent the number of attempted experiments to get one experiment that is not successful. the random variable w has a geometric distribution with mean 4 and standard deviation 3.5. which of the following is the best interpretation of the standard deviation? A. Mitosis creates identical, diploid daughter cells, whereas meiosis createsgenetically unique, haploid daughter cells.B. Mitosis creates identical, haploid daughter cells, whereas meiosis createsgenetically unique, diploid daughter cells.C. Mitosis creates genetically unique, diploid daughter cells, whereas meiosis createsidentical, haploid daughter cells.D. Mitosis creates genetically unique, haploid daughter cells, whereas meiosiscreates identical, diploid daughter cells.
Although eukaryotes and prokaryotes both engage in cell division, they do so in different ways. In particular, eukaryotic cells divide using the processes of mitosis and meiosis.
Mitosis results in two capitals that are identical to the original nexus. Meiosis, on the other hand, results in four capitals, each having half the number of chromosomes of the original cell. In creatures, meiosis only occurs in the cells that give rise to the coitus cells( gametes), i.e., the egg and the sperm.
Mitosis is when a eukaryotic cell nexus splits in two, followed by the division of the parent cell into two son cells.
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The statement describing the key difference between mitosis and meiosis is: (A) Mitosis creates identical, diploid daughter cells, whereas meiosis creates genetically unique, haploid daughter cells.
Mitosis is the process of cell division where one parent cell divides to form two daughter cells. These cells are similar to each other as well to their parent cell. The chromosomal number remains same in both the daughter cells as that to their parent cell and this is why it is also called equational division.
Meiosis is the process where one parent divides to form 4 daughter cells and that have half the number of chromosomes, thus it is termed as reductional division.
The given question is incomplete, the complete question is:
Eukaryotic cells have two particular methods with which to divide: mitosis and meiosis. each process has unique properties that allow it to achieve highly efficient and specific replication. which of the following statements best describes a key difference between the processes of mitosis and meiosis?
A. Mitosis creates identical, diploid daughter cells, whereas meiosis creates genetically unique, haploid daughter cells.
B. Mitosis creates identical, haploid daughter cells, whereas meiosis creates genetically unique, diploid daughter cells.
C. Mitosis creates genetically unique, diploid daughter cells, whereas meiosis creates identical, haploid daughter cells.
D. Mitosis creates genetically unique, haploid daughter cells, whereas meiosis creates identical, diploid daughter cells.
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What is responsible for
returning nitrogen to the
atmosphere as nitrogen
gas?
Answer:
Denitrification. Denitrification is the process that converts nitrate to nitrogen gas, thus removing bioavailable nitrogen and returning it to the atmosphere.
Explanation:
background: in a growing plant root, the cells at the tip of the root are constantly dividing to allow the root to grow. because each cell divides independently of the others, a root tip contains cells at different stages of the cell cycle. this makes a root tip an excellent tissue to study the stages of cell division
This makes a root tip an excellent tissue to study the stages of cell division, the type of division going on here is mitosis, which have various stages like prophase, metaphase, telophase and anaphase.
Mitosis is an equational division of cell which occurs in actively dividing part of the cells like root tips.
The stages of mitosis is it starts from prophase, where chromosmes are prepared to go for division, then it goes to metaphase where all the chromosomes align in the middle region/metaphasic plate, then it goes to another stage known as anaphase where spindle fibres are formed and they are attatch to kinetochores of chromosomes and moves to opposite directions. The last is telophase where all the membrane appears and chromosome are divided equally between the 2 cells.
The stages of mitosis can be seen by staining the root tip with acetocarmine and heat fixing it.
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leber congenital amaurosis (lca) is a type of autosomal recessive hereditary blindness that causes individuals with this disease to lose their vision during childhood. the pedigree below shows the inheritance of lca throughout three generations of a family.
Leber congenital amaurosis (lca) is a type of autosomal recessive hereditary blindness that causes individuals with this disease to lose their vision during childhood. the pedigree below shows the inheritance of lca throughout three generations of a family. True. LCA is an autosomal recessive genetic condition that is passed on to children by parents who have an abnormal copy of the gene.
Inheritance of traits is a decrease in traits that are passed on from parents or parents to their offspring. Some of the characteristics that are passed from parent to child are hair shape, eye color, blood type, and even congenital diseases.
LCA or Leber Congenital Amaurosis is a congenital eye disorder that is present from birth. Babies from birth will lose their eyesight due to an autosomal recessive genetic condition. Babies with LCA inherit two copies of the abnormal LCA gene from both parents. A grandmother who has the normal gene marries a grandfather who has half the abnormal LCA gene So that the child will have half the abnormal or carrier genes, if the child marries someone who has half the abnormal or carrier genes, then it is certain that the third generation will have 100 percent of the abnormal LCA gene so that he will experience blindness from infancy.
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Which of the following reagents is best suited for the detection of sugar? Multiple Choice KovacsbiuretBenedict'siodine
Benedict's reagent is the best choice for the detection of sugar.
It is a solution of copper ions that is used to test for the presence of reducing sugars. The principle behind this test is that reducing sugars have the ability to reduce copper ions to copper oxide, which forms a precipitate and changes the color of the solution. This change in color can be used to identify the presence of reducing sugars.
Kovacs Reagent is not used for the detection of sugar. It is a reagent used to detect the presence of primary and secondary amines. It works by creating a color change when an amine reacts with the reagent.
The iodine reagent is not suitable for detecting sugar. It is a reagent that is used to test for the presence of starch. The principle behind this test is that when iodine is added to a solution containing starch, the iodine molecules will bind to the starch molecules and create a complex that results in a color change.
In summary, Benedict's reagent is the best choice for detecting sugar due to its ability to detect reducing sugars and its sensitivity to detect the presence of sugar in a sample.
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how distinguish the differences between typical patterns of altered menstruation seen during the gradual transition to menopause.
There are three stages between typical patterns of altered menstruation seen during the gradual transition to menopause.
The termination of menstruation indefinitely that occurs without any sort of medical intervention is known as "natural menopause."
Menopause transition, also known as perimenopause, is eight to ten years before menopause, when your ovaries gradually release less estrogen, the perimenopause might start. In your 40s, it typically begins, many individuals might be exhibiting menopausal symptoms at this time. You can still become pregnant during this period, but you are still experiencing menstrual cycles.
Menopause is the period when you no longer have menstrual cycles.
Postmenopause: This is the term used to describe the period-free duration of a year. Menopausal symptoms, such as hot flushes, may improve at this time. However, some women continue to have menopausal symptoms for a decade or more following menopause.
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What are the 3 layers of the retina?
Answer: photoreceptor cell layer, ganglion cell layer and bipolar cell layer.
Cancer is one of the leading causes of death in our society. Cancer is a disease in which a
cell in the body loses its sensitivity to factors which regulate cell growth and division. The
cell begins to multiply without restriction, creating a growing mass called a tumor, which
interferes with the structure and functioning of the organ in which it is located.
Frequently, cancer cells become metastatic, meaning that they travel, settling in a number
of places and giving rise to secondary tumors. Much of medical research is devoted to
finding ways of preventing, controlling, and curing cancer.
Because of the metastatic trait of cancer cells, how can we judge a cancer treatment to be
effective?
A. if the highest possible levels of treatment have been used
B. if the complete tumor is removed
C. if the entire body has been proven free of tumors over a period of time
D. if the original-source tumor has been identified
E. if no new cancer cells are found in 2 weeks
(E) if no new cancer cells are found in 2 weeks then can we judge a cancer treatment to be effective.
what is a cancer cell?The uncontrolled division of cancer cells can result in solid tumors or an overabundance of aberrant cells in the blood or lymph. The body uses cell division, a natural process, for growth and repair.
Cancer is a condition when a few of the body's cells grow out of control and spread to other bodily regions.
How to treat cancer?Surgery: A procedure in which doctors remove tissue containing cancer cells. Chemotherapy: Use of specialized drugs to reduce or eradicate cancer cells. Utilizing high-energy, X-ray-like radiation to kill cancer cells is known as radiation therapy. With hormone therapy, cancer cells are prevented from obtaining the hormones necessary for growth.
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Photosynthesis is the process in which _____ from the sun is converted into chemical energy in a molecule of _____.
light energy; molecule of glucose (chemical energy & glucose is a sugar)
Why do the Darwin's bark spide
offspring have different gene
combinations even though they
have the same parents?
Answer:
Variation in traits can be caused by variation in protein molecules within individuals' cells.
Explanation:
Protein molecules' structures affect their function, and the way they connect to other molecules
Which of the following steps has not yet been accomplished by scientists studying the origin of life?
a, abiotic synthesis of small RNA polymersb. abiotic synthesis of polypeptidesc. formulaton of molecular aggregates with selectively permeable membranesd. formulationof protobions that use DNA to direct polymerisation of amino,acids
Scientists researching the genesis of life have not yet succeeded in creating protobions that use DNA to drive the polymerization of amino acids. So, last option is correct.
Both genetic data and the catalyst for chemical processes in early cells are stored in RNA.
In contemporary cells, which can be seen as molecular remains of a previous world, RNA still catalyzes a number of essential reactions.
The genetic material in humans and almost all other animals is called DNA, also referred to as deoxyribonucleic acid.
The cell has two different forms of DNA: mitochondrial DNA and autosomal DNA.
DNA didn't become the dominant genetic component until much later in the evolutionary process, and proteins took over as the primary catalyst and structural element of cells.
The instructions required for daily life are found in DNA. Our DNA contains instructions on how to build the proteins necessary for our growth, development, and general health.
Formation of molecular collections with some characteristics of life, such as metabolism and energy storage, and the ability to sustain an internal environment distinct from their environment.
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Which of the following biosynthetic precursors is NOT correctly matched to the lipid pathway it is used for?
A. fatty-acyl coA + glycerol 3-phosphate for phosphatidylcholine
B. palmitoyl-coA + serine for sphingomyelin
C. HMG-CoA for cholesterol
D. pick this if all of the above are correctly matched
All the above options are correctly matched and hence the option D) pick this if all of the above are correctly matched for each other
a)fatty-acyl coA + glycerol 3-phosphate for phosphatidylcholine, b)palmitoyl-coA + serine for sphingomyelin. c) HMG-CoA for cholesterol they all are correctly matched.
a) Phospholipids are a class of lipids that consist of two fatty acyl molecules, The condensation of fatty acyl coA and glycerol 3 phosphate is the first step in this process to make phosphatidic acid.
b) The biosynthesis of Sphingolipid invovles the 1 step of condensation of l-serine with palmitoyl-CoA to produce 3-ketodihydrosphingosine,
c) in the cholesterol synthesis, the enzyme HMG CoA reductase (HMGCR) act, the statins are inhibitors for this enzyme.
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What is a good intro with a thesis for rip van winkle
The entire essay may be summed up in that single sentence.Thesis Statement: "When Rip wakes up, the fashion, government, and architecture of the town have all changed."
What is Rip Van Winkle's introduction? The entire essay may be summed up in that single sentence.Thesis Statement: "When Rip wakes up, the fashion, government, and architecture of the town have all changed." Given that our prompt is to "Describe three things that changed in the village when Rip woke up," this might be our answer.Friendly farmer Rip Van Winkle discovers a group of dwarfs playing nine pin in the Catskill Mountains. After accepting their offer of a sip of alcohol, Rip soon nods off.He is an elderly man with a long white beard when he wakes up 20 years later; the dwarfs are nowhere to be seen.To learn more about Rip Van Winkle refer
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which of the following is not studied as part of biological (or physical) anthropology? a. human evolution
b. human biology
c. genetics
d. extinct languages
The correct option is D ; Extinct languages , Physical anthropologists only study ancient hominins, not present humans.
The study of human biological variation and evolution is known as biological anthropology.
Human evolution and biological diversity (both past and present) are studied by physical anthropologists in the context of culture, history, and behavior. Nonhuman primates, such as chimps, are also studied by some physical anthropologists.
The beginnings of language and speech provide details about human evolution.) Biological Anthropologists do not study: -How knowledge of how to dress is passed down from generation to generation. (This is an example of something a cultural anthropologist might investigate.
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when an alarm sounds in the laboratory, it is important to respond hastily and remain choose... . listen for any other instructions, turn off any choose... in use, and be prepared to leave immediately.
when an alarm sounds in the laboratory, it is important to respond hastily and remain choose clamly, quietly equipment and listen for any other instructions, turn off any choose in use, and be prepared to leave immediately.
When the fire alarm sounds during a laboratory room we should you should pull the fire alarm in the hallway and call 911 from a phone. If the fire alarm sounds for any reason leave the room immediately and exit the building.
When we hear a fire alarm we should evacuate the building immediately during lab and follow the directions of the Fire Wardens for our building, close all doors and and do not touch or use any elevators.
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a sequence of amino acids called a choose... is produced during the process of choose... . during this process, the choose... of a trna molecule binds to a codon of mrna.
Answer: polypeptide, translation, and anticodon
Explanation:
damaged cells and worn out, old cells are by new cells. damaged tissues are by the production of new cells. multiple choice question. repaired; replaced replaced; repaired
Answer: Replaced and Repaired
Explanation: Damaged cells and worn out, old cells are REPLACED by new cells. Damaged tissues are REPAIRED by the production of new cells.
which of the following is the correct sequence of events that follow fertilization of an egg?
A. Gamete formation, fertilisation, zygote, embryo
B. Embryo, zygote, fertilisation, gamete formation
C. Fertilisation, gamete formation, embryo, zygote
D. Gamete formation, fertilisation, embryo, zygote
The correct sequence of events that follow fertilization of an egg is Gamete formation, fertilisation, zygote, embryo. The correct option to this question is A.
Reproduction is a biological process in which a live creature gives birth to offspring that is biologically similar to its parents.
In humans, reproduction happens as a result of the union of male and female gametes, which eventually fertilize to form an embryo.
These male and female gametes are created in the bodies of their respective parents.
Internal fertilization refers to the entire process of fertilization in humans, as it occurs within a female's body.
Male and female reproductive cells divide meiotically to create gametes.
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Following fertilization of an egg, the right order of events is gamete production, fertilization, zygote, and embryo. The answer to this question is option A.
A living organism produces offspring that is biologically identical to its parents through the biological process of reproduction. The merging of the male and female gametes, which eventually fertilize to create an embryo, is what causes reproduction in humans. The bodies of their respective parents are where these male and female gametes develop.
Internal fertilization is the term used to describe the entire human fertilization process as it takes place inside the body of a female. Gametes are produced by the meiotic division of male and female reproductive cells.
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Microbes were first considered for bioremediation after Marjory Stephenson observed that they were digesting enormous quantities of waste from a sugar beet factory. The waste was accumulating in: A. The atmosphere. B. Area plants. C. Nearby soils. D. River water.
Microbes were first considered for bioremediation after Marjory Stephenson observed that they were digesting enormous quantities of waste from a sugar beet factory. The waste was accumulating in River water.
bioremediation can be defined as the any process wherein a biological system which could be bacteria, microalgae, fungi, and plants, living or dead.
There are many types of bioremediations like, Bio stimulation, Bioaugmentation, Natural attenuation, Bioventing, Bioslurping etc.
Goal of bioremediation process is to, cleanup environmental sites which is of importance and is contaminated with pollution by the help of living organisms which works on degrade hazardous materials into less harmful substances or simpler compounds.
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Which four statements are true about the phenomena that occur between the Sun,
Earth, and Moon?
On Earth, one day is the time it takes Earth to orbit the Sun one time.
A solar eclipse occurs when the Moon passes between the Earth and Sun.
A lunar eclipse occurs when a Full Moon passes directly behind Earth and is
covered in Earth's shadow.
The time it takes Earth to revolve once around the Sun is a year.
The position of the Moon in relation to the Earth and Sun at a given point
determines its phase.
Tides are caused by the gravitational pulls between the Earth and the Sun.
Answer:Most of our lives, we are focused on what is in front of us. When we gaze at the stars, we reflect on our place in the universe. An eclipse event brings that reflection into more concrete terms.
Two types of eclipses are visible from Earth, an eclipse of the moon and an eclipse of the sun. A lunar eclipse occurs when the Earth moves between the sun and the moon, blocking the sunlight that is normally reflected by the moon. A solar eclipse occurs when the moon is directly between the sun and the Earth, casting a shadow on the Earth.
in a certain species of fly, smooth wings (s) are dominant to wrinkled wings (s), and red (r) bodies are dominant to yellow bodies (r). a cross between a fly with the genotype ssrr and fly with the genotype ssrr results in the following offspring ratios:
The recombination frequencies for be part order of gene is close to Be that is only 10 and then there is D.
Is 30%, and the distance between A. N.
CS is 25%. And the other.
In genetics, dominance is the phenomenon of one variant of a gene on a chromosome masking or overcoming the influence of another variant of the same gene on the other copy of the chromosome. The first variant is known as dominant, and the second as recessive.
A homozygous dominant genotype is an organism that has two dominant alleles for a characteristic.
Using the example of eye color, this genotype is written BB. A heterozygous genotype is defined as an organism with one dominant allele and one recessive allele. This genotype is written Bb in our example.
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The recombination frequencies for be part order of gene is close to Be, only 10, and then there is D. It is 30%, and the distance between A. N. CS is 25%. And the other dominant alleles
In genetics, dominant alleles is the phenomenon of one gene on a chromosome masking or overcoming the influence of another gene on the other copy of the chromosome. The first variant is known as dominant, and the second is recessive. A homozygous dominant genotype is an organism that has two dominant alleles for a characteristic.
Using the example of eye color, this genotype is written BB. A heterozygous genotype is an organism with one dominant allele and one recessive allele. This genotype is written Bb in our example.
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Which of the following is NOT a premise of cell theory?
I. All cells arise from other cells.
II. All living cells require water for survival
III. Al living things are only composed of cells.
Answer choise:
A. I only
C. I and II
B. II only
D. II and III
II and III
II. All living cells require water for survival
III. Al living things are only composed of cells.
The scientific idea that cells are the fundamental structural and organizational unit of all living things and that all cells originate from previously existing cells is known as cell theory. It was first put forth in the middle of the nineteenth century. The fundamental building block of every organism's structure and reproductive process are cells.
The three tenets of the cell theory are:
All living organisms are composed of one or more cells.The cell is the basic unit of structure and organization in organisms.Cells arise from pre-existing cells.The theory was once universally accepted, but now some biologists consider non-cellular entities such as viruses living organisms and thus disagree with the first tenet.
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compared to the cones of a human eye, rods are group of answer choices less sensitive to light intensity found mainly on the periphery of the retina concentrated in the center of the retina capable of detecting color less numerous than cones
In comparison of the cones and rods of a human eye, rods are B: mainly found on the periphery of the retina.
The human retina has two kinds of photoreceptors to gather light namely cones and rods. Rods are specialized cells in the retina of the eye that are responsible for vision at low light levels, also called scotopic vision. They are more sensitive to light than the other type of cell in the retina, called cones, which are responsible for color vision and visual acuity at higher light levels, also called photopic vision.
So in comparison to both rods and cons in human eye, rods are mainly found on the periphery of the retina.
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Changes in white blood cell count are a classic example of molecular damage caused by significant exposure to ionizing radiation. True or False
The statement "Changes in white blood cell count are a classic example of molecular damage caused by significant exposure to ionizing radiation is false because a classic example of molecular damage caused by significant exposure to ionizing radiation is skin burns and acute radiation syndrome.
Ionizing rаdiаtion is used in а wide vаriety of fields such аs medicine, nucleаr power, reseаrch, аnd industriаl mаnufаcturing, but presents а heаlth hаzаrd if proper meаsures аgаinst excessive exposure аre not tаken. Rаdiаtion dose depends on the durаtion of exposure, the аmount of rаdiаtion generаted from the rаdiаtion source, the distаnce from the rаdiаtion source, аnd the аmount аnd type of shielding in plаce.
Exposure to ionizing rаdiаtion cаuses cell dаmаge to living tissue аnd orgаn dаmаge. In high аcute doses, it will result in rаdiаtion burns аnd rаdiаtion sickness, аnd lower level doses over а protrаcted time cаn cаuse cаncer.
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please help anyoneeeee
Answer:
263,5
Explanation:
First beam 60 g, second 200 g and third 3,5 g. It is 263,5 g together.
You aim to chemically synthesize four peptides with the following one-letter amino acid sequences: TIGER, PANTHER, CHEETAH, and CAT. a) Which one of these peptides will have the lowest pl? Give a reason for your answer. You are not required to calculate the pls of the peptides to answer this question. A qualitative knowledge of the ionization properties of amino acids discussed in class is sufficient to answer this question. (2 pt) b) Based on what we learned in the lectures, draw the titration curve for the TIGER peptide in the pH range 0-14. Make sure to label the two axes, and the pki, pk, and pkr values on the curve. If there are multiple R groups that titrate, indicate the pkes as pKR, PKR etc. You are not required to write out the chemical structures of the various titration intermediates. (2 pt)
At a pH above 10.76, the Arg residue will be mostly in its deprotonated form and the net charge of the TIGER peptide will be positive.
What is the expected titration curve?a) The peptide with the lowest pI (isoelectric point) will be TIGER. The pI is the pH at which the peptide has an overall neutral charge. The TIGER peptide has an acidic residue (Glu, pI = 4.25) and a basic residue (Arg, pI = 10.76) which will balance out each other's charges. PANTHER, CHEETAH, and CAT all have more basic residues and therefore will have a higher pI.
b) The titration curve for the TIGER peptide would have the following characteristics:
X-axis: pH
Y-axis: net charge
pK1: Glu (4.25)
pK2: Arg (10.76)
As the pH continues to increase, the Arg residue will begin to deprotonate and the net charge will become increasingly positive. At a pH around 10.76, the Arg residue will be completely deprotonated and the net charge of the TIGER peptide will be positive.
At a pH above 10.76, the Arg residue will be mostly in its deprotonated form and the net charge of the TIGER peptide will be positive.
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the stronger the intermolecular forces, the higher the surface tension. ethylene glycol and ethanol both exhibit hydrogen bonding, but since ethylene glycol contains more opportunities for hydrogen bonding than ethanol, its surface tension is higher. the surface tension of ethanol and acetone are roughly the same even though acetone does not exhibit hydrogen bonding. the acetone molecules are able to orient themselves in a ---select--- manner to create a tight surface to match the hydrogen bonding of ethanol. diethyl ether has a lower surface tension since it is ---select--- and is ---select--- polar than acetone.
the stronger the intermolecular forces, the higher the surface tension. ethylene glycol and ethanol both The of the intermolecular forces between liquid molecules determines the surface tension of a liquid.
Both ethylene glycol and ethanol show hydrogen bonding, but ethylene glycol has a greater surface tension because it offers more hydrogen bonding chances. Despite the fact that acetone does not exhibit hydrogen bonding, the surface tension of ethanol and acetone is about the same. Acetone molecules can position themselves similarly to ethanol molecules to form a tight surface with hydrogen bonding. Because it is less polar and has fewer intermolecular interactions than acetone, diethyl ether has a lower surface tension. As a result, the intensity of the intermolecular interactions between liquid molecules defines a liquid's surface tension.exhibit hydrogen bonding, but since ethylene glycol contains more opportunities for hydrogen bonding than ethanol, its surface tension is higher. the surface tension of ethanol and acetone are roughly the same even though acetone does not exhibit hydrogen bonding.
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classify the following micronutrients as required or optional on the nutrition facts panel. you are currently in a sorting module. turn off browse mode or quick nav, tab to items, space or enter to pick up, tab to move, space or enter to drop. required optional
To classify the Vitamin D, calcium, iron, and potassium micronutrients as required or optional on the nutrition facts panel. Companies can voluntarily list other vitamins and minerals in the food are the only micronutrients required to be on the food label.
Vitamins A and C nutrient is not required on a food label because manufacturers may still include them if they choose while Vitamin D and Potassium will now be required on the FDA's Nutrition Facts labels.
Micronutrients are essential dietary elements required by organisms in varying quantities throughout life maintain and functions of the health.The foods that do not require Labelling that is ready-to-eat food, products from bakeries and delis or candy store items that is not for immediate consumption but is prepared on site.
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