The correct options are:
d). Cells undergo more mitosis than usual.
e). Cells divide even when there are no growth factor signals.
A biopsy can be done to look for abnormalities due to more mitosis than usual, which can be structural or functional, such as kidney or liver issues or swelling in a specific organ. A specific ailment can be diagnosed if aberrant cells are seen when the tissue sample is inspected under a microscope.
A biopsy can also be performed to evaluate the grade and severity of an illness that has already been diagnosed, such as the level of inflammation (such as the aggressiveness of cancer).
The complete question is:
A biopsy is a procedure in which a sample of cells is taken from the body and analyzed. If you were performing the analysis, what features would indicate to you that the patient has cancer? Select all that apply.
a. Cells are sending out signals for new blood vessels to grow.
b. Cells have contact inhibition.
c. Cells lack telomerase activity.
d. Cells undergo more mitosis than usual.
e. Cells divide even when there are no growth factor signals.
f. cells express high levels of tumor suppressor genes.
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Explain the ages of crystal rock using evidence of the past and current movements of continental and oceanic crust and the theory of plate tectonics.
Tectonic plates refer to the divisions of the earth's crust. Recall that the crust is the planet's outer, stony, solid shell.
What is tectonic plate?Each tectonic plate is autonomous and floats freely. Volcanoes and earthquakes are directly caused by the movement of tectonic plates along fault lines. The boundary among tectonic plates is referred to as a fault. The majority of the volcanoes and earthquakes that occur in the "ring of fire" region, which surrounds the Pacific Ocean basin, are caused by the tectonic plate movement in this area.
Typically, marine crust is much younger than continental crust. Since the lithosphere is rarely destroyed and rebuilt during subduction, certain parts of it are almost as old as the Earth itself.
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mastering biology when a bacterial cell is not expressing the genes in the lac operon, this is an example of
When a bacterial cell is not expressing the genes in the lac operon, this is an example of Transcriptional regulation.
The metabolism-related genes in the Lac operon are present. When glucose is absent and lactose is present, the genes are only expressed.
Lactose acts as an inducer in the lac operon. The regulatory gene is activated when lactose is added to the medium for the bacteria. The repressor protein will become inactive when the inducer binds to it, allowing the operon to be translated. As a result, the lac operon in this instance is negatively regulated.
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Suppose a female fruit fly carries a mutation in her nanos gene that prevents expression of the nanos protein in any eggs she produces. Which effect is likely to be observed?.
Her eggs create fruit fly embryos with two heads, one of which is on a gene that blocks the expression of the nanos protein in any subsequent eggs she produces.
Which circumstances would cause developing ducks to lose their webbing?Webbing is lost as a result of apoptosis. Duck embryos that have been experimentally implanted with mutant BMP4 have non-webbed feet. Both the growth of a single organism and the evolution of species distinctions are governed by the actions of genes under the direction of genetic switches.
Which role do gap genes play in Drosophila?In Drosophila melanogaster and other insects, the gap gene system regulates the initial steps of the segmentation pathway. This system plays a crucial part in embryo patterning due to its tractability and has been the area of interest for both experimentalists and computational modelers.
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How can large quantities of protein be produced from a bacterial colony containing the gene of interest?.
The correct option (b) Put a cDNA encoding the protein into a plasmid with a bacterial promoter sequence. Once a cDNA is put into a plasmid with a bacterial promoter, the bacteria will transcribe and translate the gene.
A molecular biology procedure called DNA cloning creates several identical clones of a DNA fragment, such as a gene.A target gene is often put onto a plasmid, a circular piece of DNA, in a cloning process.Bacterium harboring the plasmid are chosen using antibiotics after the plasmid is introduced into the bacteria through a procedure known as transformation.The right plasmid-carrying bacteria are then employed to produce more plasmid DNA or, in certain situations, are driven to express the gene and produce protein.Learn more about DNA to visit this link
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Full Question: How can large quantities of a protein be produced from a bacterial colony containing the gene of interest?
A) Construct a probe that matches part of the gene's sequence
B) Put a cDNA encoding the protein into a plasmid with a bacterial promoter sequence
C) Insert the plasmid containing the cDNA into bacteria
D) Use reverse transcriptase to make cDNAs.
what is the name of the fine, epithelium-lined bones that warm and moisten incoming air in the nasal passages of sea lions (and other marine mammals)?
Nasal turbinates is the name of the fine, epithelium-lined bones that warm and moisten incoming air to breathe in the nasal passages of sea lions (and other marine mammals).
Nasal Turbinate's are small structures inside the nose that cleanse and humidify air that passes through the nostrils into the lungs. The turbinates are thin, bony plates inside your nose. Allergies or a lengthy cold can irritate them and cause them to swell, or enlarge. The swelling makes it hard for you to breathe. Another cause of the swelling is overuse of decongestant nasal sprays.
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rank the following line-angle structures based on the number of carbon atoms present in the longest continuous carbon chain. rank from highest to lowest. to rank items as equivalent, overlap them.
The rank of the line-angle structures is based on the number of carbon atoms present in the longest continuous carbon chain is given in the image attached.
In organic chemistry, a hydrocarbon is a compound made only of hydrogen and carbon. The majority of hydrocarbons are hydrophobic and colorless. Their mellow odors are frequently compared to gasoline or lighter fluid.
Carbon atoms can be seen at the ends and corners of lines in line-angle structures. Because it is attached to enough hydrogen atoms, it is assumed that each carbon atom has four bonds.
We can arrange the structures in the image by counting the number of carbon atoms in each compound's branched chain.
*Image attached*
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How could an activator influence gene expression at a promoter far away from the place that it binds dna?.
lycopene . group of answer choices is abundant in apples may help protect against cancer and heart disease may promote growth of estrogen-dependent cancers is another name for vitamin e is one of many flavonoids
Lycopene might help protect against cancer and heart disease.
So, the correct option is B.
Strong anti-oxidant lycopene has a number of health advantages, including lowering the risk of several cancers, improving heart health, and providing sun protection. The most abundant among carotenoid pigments, it is distinguished by its strong antioxidant capacity. Epidemiological research demonstrates several positive relationships between lycopene consumption in the diet and a lower risk of cardiovascular disease, mostly because of this.
Lycopene has been linked to anticancer action in a rising number of studies. According to certain studies, it can lower the risk of stomach cancer and ward against the development of lung, breast, and prostate cancer.
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What information is missing from the table that could help someone draw the most accurate conclusion about voter turnout in primaries and general elections? the year in which this election took place the candidates running for president the percentage of democratic primary voters the states of new jersey and arizona.
The correct answer is option (C): the percentage of Democratic primary voters because you want to know the percentage of citizens that vote Democrats or Republicans to compare them.
Letter A is not necessary to have this information in the table because this chart is a general one, and is not relevant to the year in which it is carried out (you can use this table at any time).
Letter B is not relevant information because citizens know which are the candidates, and what you are interested in obtaining is the percentage of people that vote for Democrats or Republicans, not the candidates.
Letter D is not relevant information because you have the column "state" in which you can describe each state.
Since this chart is broad in nature and has no bearing on the year in which it is performed, Letter A is not required to include this information in the table (you can use this table at any time).
Letter B is not pertinent information because voters already know who the candidates are, and you are more interested in learning the proportion of voters who cast Democratic or Republican ballots.
Since you have the column "state" in which you can characterize each state, the information in the letter D is not pertinent.
The complete question is:
What information is missing from the table that could help someone draw the most accurate conclusion about voter turnout in primaries and general elections?
(A). the year in which this election took place
(B). the candidates running for president
(C). the percentage of Democratic primary voters
(D). the states of new jersey and Arizona.
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a population of insects increases at a rate 180 6t 0.6t2 insects per day (t in days). find the insects population after 4 days assuming that there are 70 insects at t
The insects population after four days is 1002.
The speed at which a variable changes over a predetermined amount of time is known as the rate of change.
Your function is changing at the same rate as the change. If your function is a function of position, then the velocity, which denotes how quickly your location is changing, will be the rate of change.
By dividing the difference between two points by the difference between the independent variable, you may calculate the average rate of change without using mathematics. You can use the derivative in calculus to get the current rate of change at any given moment.
Given,
rate = 180 + 6t+0.6t
dp/dt =180+6t+0.6t²
=(300 +61 +0.6t^2)dt
=p(3)-p(0)=180+3t^2+0.6*t^3/3
p(3)-70=180*3+3*3^2 +0.2×*^3
p(3)=1002.4
p(3)=1002
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the map below shows the distributions of three species of anole lizards in the genus norops. which of the following distributions shift might be expected for these species in light of climate change?
Option (1) is correct. We recognise that those lizards' species belong to identical genus Norops. These 3 species i.e. Norops sagrei, Norops valencienni and Norops auratus have to be residing withinside the most important island.
Intraspecific opposition for meals and habitat brought about the separation of those species. Island is lengthy in the past earlier than of them moved into new islands. Apart from this, weather is likewise an crucial element because of which species separate and inhabit islands. Like on this case, Norops sagrei and Norops valencienni occupied separate islands toward the North America. However, Norops auratus is found to be increasing its variety from South to North America.
This is due to particularly warm weather of the mainland which lizards aren't capable of tolerate. As a result, species Norops auratus is moving toward the chillier regions withinside the North America. However, species residing in Cuba and Jamaica aren't showing any full-size variety shift as they may be already inhabiting the chillier regions.
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Correct Question:
when sea otters were hunted nearly to extinction in california coastal communities, sea urchin populations increased, kelp beds decreased in size, and fish reproduced at far lower levels. what does this reflect?
When sea otters hunted nearly to extinction in California coastal communities, sea urchin populations increased, kelp beds decreased in size : this reflects that otters must have ordinarily eaten sea urchins.
What is a symbiotic relationship?Symbiosis is type of a close and long-term biological interaction between two different biological organisms. It can be parasitic, mutualistic, and commensalistic.
Parasitism is where one species benefits and the other is harmed and commensalism is when one organism benefits and the other is left unharmed. Mutualism is when both the organisms benefit from that interaction.
When two animals have a symbiotic relationship, it clearly means that they rely on each other for survival. In nature, this codependence can be beneficial.
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in a monohybrid cross of corn plants, purple seeds (p) are dominant to yellow (y). both parents in the original cross are homozygous. what are the possible gametes for the purple parent?
Yellow seeds (y) are subordinate to purple seeds (p) in a monohybrid cross of corn plants (y). The initial cross's parents are both homozygous. The purple parent's potential gametes are p.
Genotype generally refers to an organism's genetic gametes composition. Two alleles, usually referred to as different gene forms, are used to represent each gene.Genes with the same alleles are referred to as homozygotes, whereas genes with different alleles are referred to as heterozygotes.In this instance, the purple parent is considered to be homozygous, and the purple seed allele is indicated by the letter p. Consequently, the genotype is unquestionably pp.
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What type of cell is undergoing cytokinesis in the photo? How do you know?
Answer: Central cell
Explanation: I believe it is Central Cell, I learned this in AP Biology class.
It is Central Cell because it looks like the Cytokinesis which is the part of the cell division process during which the cytoplasm of a single eukaryotic cell divides into two more cells. That is why I say this is a Central cell.
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Plant cytokinesis is the term for the cytoplasmic division of a plant cell. Animal cytokinesis is the term used to describe the division of an animal cell's cytoplasm. The mother cell's centre develops into a cell plate, which divides the cells.
What type of cell is undergoing cytokinesis?Higher-plant cells undergo cytokinesis using a unique method in which the cytoplasm is divided by the erection of a fresh cell wall, known as the cell plate, inside the cell. A preprophase band of microtubules and actin filaments determines the location of the cell plate.
In biology, the process through which one cell physically divides into two cells is known as cytokinesis. The primary method of reproduction for unicellular organisms is cytokinesis, which takes place during the growth and repair of tissues in higher plants and animals as well as during the development of the embryo.
Therefore, It is called a central cell because it resembles the stage of cell division known as cytokinesis, in which a single eukaryotic cell divides into two additional cells. Since it is a central cell, I say as much.
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1.7 draw some of the cells you see. do you see coenobia? if so, how many cells do you typically see per coenobium?
Coenobia cells under the microscope could be seen in the picture attached below. We typically see 4 to 8 cells per coenobium.
What is coenobia?Coenobia is a colony of algae that lives and acts as a single organism. They stay together with the help of a common membrane. The cells are often held together in a jelly excreted so they can move as one individual. Coenobia may exist in a single cell, but they more often contain 4 to 8 cells per coenobium. They also may have two long spine end cells protruding from the outer corners, as per the image.
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it analyzes genetic markers that are passed from father to son. the fbi utilizes these for their database. it is used when other forms of dna analysis are not possible because it does not rely on nuclear dna. it allows a small amount of dna to be duplicated into a testing
Examines genes that a father passes on to a son via DNA. Examination of the Y chromosome. These are used by the FBI in their genetic analysis database.
A Y chromosome DNA test, also known as a Y-DNA test, is a genealogical DNA test used to research a man's patrilineal lineage, also known as his his father's line. Similar to patrilineal surnames, the Y chromosome is almost entirely unaltered from father to son. The most recent common ancestor, or MRCA, shared by two people can be inferred from mutations that occasionally arise as a result of errors in the copying process. They are connected within a genealogical time range if their test results are an exact or nearly exact match. Then each individual may view the father-line details of the other, which are normally the names of each patrilineal ancestor and his spouse, together with the dates and locations of their marriage and the births and deaths of both spouses. The two individuals who are matched may discover a common ancestor, or MRCA, as well as any knowledge that the other may already have about their shared patriline, or father's line, before the MRCA. A surname DNA project often coordinates Y-DNA testing. Additionally, if both parties agreed, each would get the other's contact details.Women can ask their father, brother, paternal uncle, paternal grandpa, or a cousin who has the same surname lineage (the same Y-DNA) to take a test for them in order to find out their direct paternal DNA heritage.
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rhizomes that end in enlarged structures that are specialized for storage are called a) tubers. b) runners. c) bulbs. d) taproots.
The rhizomes that end in enlarged structures that are for storage are called as tubers as in the stems.
Rhizomes, tubers, bulbs and corms are really underground stems, now no longer roots. These underground stems are garage packing containers for the plant. Rhizomes are stems that develop horizontally, however rhizomes develop underground and usually have a thickened stem this is used for garage.
Stem tuber is a thickened a part of a rhizome or stolon that has been enlarged to be used as a garage organ. In general, a tuber is excessive in starch, e.g. the potato, that's a changed stolon. The term "tuber" is regularly used imprecisely and is once in a while implemented to flora with rhizomes.
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What type of malicious software is designed to replicate itself to other computers?.
Worms are software applications that reproduce themselves from one machine to another without using a host file. As opposed to viruses, which propagate through the host file they infect.
Is a malicious program made to duplicate and spread from computer to computer?A worm is a malicious program that spreads to other computers, frequently within a same network, by reproducing itself. Worms attack networks of connected computers.
What kind of harmful software when it is run, modifies other software and inserts its own code to replicate itself?A virus is a sort of malware that, when run, replicates itself by altering and incorporating its own code into other software applications. Upon the success of this replication
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Sort the pictures based on the type of life cycle they have.
An image of a red and black ladybug.
A picture of a housefly. It shows housefly having six thin legs, pair of antenna, oval shaped head with spherical eyes, two stripes on face, oval-shaped body broader at the front and narrower at the back.
A picture of a cat.
A picture of a Stag beetle as 6 legged and three-body part insect with a rectangular head and thorax and shiny oval-shaped abdomen with wing cases. Head with 2 pairs of antenna, 2 arc-shaped pointed mandibles, and palps.
Metamorphosis refers to the changes an organism goes through during its whole life and related to developmental stages. Metamorphosis: ladybug, housefly, and stag beetle. Simple life cycle: cat, dog, and pigeon.
What is metamorphosis?
Metamorphosis is the series of changes that some organisms suffer as they develop from the early stages of life to the mature forms. These changes are regulated by hormones.
Organisms must go through different developmental stages in which they experiment with transformations related to their bodies' morphology, physiology, and behavior. Their life habits can change as well in some cases.
Metamorphosis can be complete or incomplete,
Complete: egg, larva, pupa and adult.Incomplete: egg, nymph, and adult.
Metamorphosis is commonly seen in insects, echinoderms, crustaceans, amphibians, and others.
In the exposed example,
Metamorphosis: ladybug, housefly, and stag beetleSimple life cycle: cat, dog, and pigeon.You can learn more about metamorphosis at
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12. An animal which is
homozygous for short tails
is crossed with an animal
that is heterozygous for tail
length. What fraction of
offspring will have long
tails?
1/2
4/4
1/4
3/4
3) 1/4 fraction of the offspring will have long tails after the cross.
What do you mean by the term "Homozygous"?
Homozygous is a term used to describe a pair of genes that are the same. It can refer to two alleles in a diploid organism, or to the two copies of a gene in a haploid organism. Homozygous genes are both identical in sequence and usually produce the same phenotype.
What do you mean by the term "Heterozygous"?
Heterozygous is a term used to describe an organism or cell that has two different alleles for a particular gene or trait. When an organism is heterozygous for a trait, it has two different forms of the gene for that trait. For example, in the case of a trait that is determined by two alleles, one of which is dominant and the other is recessive, a heterozygous individual would have one of each allele.
Therefore, the correct option is Option C .
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Name two processes that add greenhouse gasses to the atmosphere.
Answer:Carbon dioxide (CO2)
Methane Emissions
Explanation:Carbon dioxide enters the atmosphere through burning fossil fuels (coal, natural gas, and oil), solid waste, trees and other biological materials, and also as a result of certain chemical reactions (e.g., manufacture of cement). Carbon dioxide is removed from the atmosphere (or "sequestered") when it is absorbed by plants as part of the biological carbon cycle.
Methane is emitted during the production and transport of coal, natural gas, and oil. Methane emissions also result from livestock and other agricultural practices, land use and by the decay of organic waste in municipal solid waste landfills.
Explanation:
Carbon Dioxide Emissions
Transportation. The combustion of fossil fuels such as gasoline and diesel to transport people and goods was the largest source of CO2 emissions in 2020, accounting for about 33% of total U.S. CO2 emissions and 26% of total U.S. greenhouse gas emissions. ...
Electricity.
Industry.
If a mouse with two copies of the Clock mutation is placed in a lab where the lights come on each day at 7:00 AM and go off each day at 7:00 PM, the activity rhythm of this mouse will display
a 24-hour rhythm.
When a mouse with two copies of the Clock mutation is placed in a lab where the lights come on each day at 7:00 AM and go off each day at 7:00 PM, the activity rhythm of this mouse will display in 24 hours.
Zip, a brand-new hamster mutant, has an 8-hour daily rhythm when there are no light cues. An adult hamster with the tau mutation (with its own SCN lesioned) would have an 8-hour period for its rhythm if the embryonic SCN from a healthy animal were transplanted into its brain.
In animals, the suprachiasmatic nucleus (SCN) serves as the main circadian pacemaker. In scattered cultures, individual SCN neurons can produce their own circadian rhythms of clock gene expression and neuronal firing. However, enough membrane depolarization, intracellular calcium, and cAMP concentrations are required for SCN rhythmicity.
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What is the total number of atp molecules produced through cellular respiration per molecule of glucose?.
Cellular respiration in a eukaryotic cell can convert one glucose molecule into 30 to 32 ATP.
Per glucose molecule, how many ATP are generated during cellular respiration?As a result, during the process of cellular respiration, up to 36 molecules of ATP can be produced from a single molecule of glucose. A eukaryotic cell's cellular respiration may turn one glucose molecule into 30 to 32 ATP.
Why does glycolysis yield 4 ATP?Glyceraldehyde-3-phosphate 1,3 diphosphoglycerate results in the first generation of ATP. Second, when phosphoenolpyruvate breaks down into pyruvate, ATP is created. For each of the two 3-phosphate molecules, these processes happen twice. Thus, during glycolysis, a total of 4 ATPs are created.
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A 45-year-old man presents to the emergency department with cellulitis of his left leg. He is being treated with vancomycin. Ten minutes after the infusion is initiated, he complains of intense pruritus and lightheadedness. Erythema is noted on his face and neck. Which of the following is the next best step in the management of this patient?
A Administer intramuscular epinephrine and decrease the rate of the infusion
B Administer intramuscular epinephrine and suspend the infusion
C Administer intravenous diphenhydramine and decrease the rate of the infusion
D Administer intravenous diphenhydramine and suspend the infusion
Diphenhydramine injection is available as a solution (liquid) that may be administered intravenously or intramuscularly (into a vein). Your illness and how you react to therapy will determine your dose regimen.
Although an IV push of diphenhydramine would have a rapid start, it might also result in adverse effects, intravenously necessitating more nursing time to monitor patients. Diphenhydramine can be safely delivered to patients when given as diluted IV admixtures during intravenously an IV infusion.
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A student is having a hard time telling the difference between a parrot and a toucan. Which type of medium would help the student recognize the differences?(1 point).
A student is having a hard time telling the difference between a parrot and a toucan. The student can use these mediums: audio recording, map, and photo.
Audio recording: Parrots make a lot of sound, and usually they sound like a person clicking their tongue. Toucans don`t make as much noise as parrots, and if they do, they sound like a frog croaking. So, an audio recording of these different calls can help him tell the difference between the two birds.
Map: Parrots and toucans live in different parts of the world.Parrots are widely distributed birds that live in the tropics of almost every continent. They are determined in Asia, Australia, Africa, Central America, and South America. Toucans have a miles smaller distribution than parrots. These birds are found only in Central and South America. They live almost exclusively in tropical forests and rainforests.
Photo: Using pictures, students can tell the difference between a parrot and a toucan. These two birds of hers differ greatly in their beaks. Most toucans have bodies the size of crows and large beaks that are half their length. Parrots generally have the same proportions regardless of size, but are much more variable in size.
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Answer:
Audio Recording
Explanation:
i would think photo because they look nothing alike but i guess audio recording since they sound different
what is the consequence of the release of catecholamines in the skeletal muscles during the compensation stage of shock?
The consequence of the release of catecholamines in the skeletal muscles during the compensation stage of shock is that the blood supply to the skeletal muscle increases.
Anxiety, tachycardia, diaphoresis, and peripheral vasoconstriction are symptoms of specific autonomic reactions to circulatory shock that boost circulating catecholamine levels early. Hypotension is a late symptom of shock and is associated with significant tissue hypo-perfusion and failure of intrinsic homeostatic systems because the circulation protects central blood pressure to maintain appropriate perfusion pressure for the brain and heart. This increases the blood supply to the skeletal muscles.
Dopamine, epinephrine (adrenaline), and norepinephrine (norepinephrine), neurotransmitters that are released by the body in response to stress, are examples of catecholamines. Catecholamines cause the adrenaline rush you likely experienced when you were frightened.
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During which phase does the size of the cell increase?
Answer:
g 1 phase
Explanation:
hipe this helps
The size of a cell increases in the G1 phase.
This is because a large amount of protein synthesis occurs and the volume of the cytoplasm increases.
Which of the following processes occurs in prokaryotes but not in eukaryotes? a. transcription and translation occur simultaneously b. post-transcriptional splicing c. translation in the absence of a ribosome d. gene splicingTerma. transcription and translation occur simultaneously
Answer:
B
Bcuz i said so
In most mammal species, a male is _____ to provide parental care
because his confidence of paternity is _____.
a. likely; high
b. unlikely; high
c. likely; low
d. unlikely; low
when does the highlighted curvature develop? when does the highlighted curvature develop? there is no specific age or event for development of this curvature. at the time that a child is able to sit up at the time that a child lifts his/her head when the embryo is still in the womb
At the time that a child is able to sit up, the highlighted curvature develops.
The spine has two different types of curvature:
- primary.
- secondary.
Primary curvatures recede during pregnancy.
After birth, secondary curvatures develop.
When a child is able to sit up, the highlighted lumbar curvature begins to form. The highlighted structure permits lateral head rotation. The highlighted structure permits lateral head rotation.
Lordosis, also known as swayback, is an abnormal increase in the forward curvature of the lumbar spine. People of any age can be affected by lordosis, and certain characteristics and forms can increase the likelihood of lordosis. Spondylolisthesis, achondroplasia, osteoporosis, osteosarcoma, and obesity are all included in this category.
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