Answer:
It ensures life on Earth can exist.
2. It is the universal solvent.
3. It is a part of all organic compounds, including carbohydrates and nucleic acids.
4. It is found in every living thing.
I think so not sure sorry:-)
Answer:
A. It ensures life on Earth can exist
C. It is a part of all organic compounds, including carbohydrates and nucleic acids.
D. It is found in every living thing
Explanation:
Match the key event of meiosis with the stages listed below.
I. Prophase I V. Prophase II
II. Metaphase I VI. Metaphase II
III. Anaphase I VII. Anaphase II
IV. Telophase I VIII. Telophase II
Homologous chromosomes are aligned at the equator of the spindle.
a. IV
b. I
c. VI
d. II
Answer:
The answer is II. Metaphase I VI. Metaphase II
In your own words, explain why the geological structures in Florida are less complex than the geological structures in Colorado.
Answer:
Different parts and regions have distinct features and characteristics.
Colorado is known to have lots of mountains. Florida is however a humid-subtropical region. This makes differences in the types of loving organisms found in the named region. There are also different ages in geological structures.
Colorado has lots of rocks in the region and is as result of the presence of rigid hills and mountains while Florida is more tropical and has a coastal processing climate with low prevalence of rocks.
Which factors affect the rate of photosynthesis select all that apply
Answer:
Limiting factors such as
Effect of temperature
Effect of light intensity
Concentration of carbon dioxide
These all factors can affect the rate of photosynthesis
Explanation:
I hope it will help you
Answer:
light intestity
rate of oxygen
carbon4oxide concentration
temperature
Punnet and his colleagues mated a purebred purple flower, long pollen sweet pea with a pure-bred red flower, round pollen sweet pea and obtained an F1 with purple flower and long pollen. What mating should they do to determine the recombination frequency between the gene that controls the color of the flower and the gene that controls the shape of the pollen?
Answer:
Cross an individual of the F1 with the purebred red flower, round pollen sweet pea parental.
Explanation:
The parental individuals are:
PL/PL: purebred purple flower, long pollen sweet peapl/pl: pure-bred red flower, round pollen sweet peaThe resulting F1 of the cross between the different parental types can only be PL/pl, which has purple flowers and long pollen. This means that the purple flower (P) and long pollen (L) traits are dominant.
To determine the recombination frequency between genes P/p and L/l, the cross should be done between a heterozygous individual for both genes (the F1) and a homozygous recessive individual for both traits (the pl/pl parental). This is called a test cross.
Which of these actions can the Consumer Product Safety Commission take
to help protect consumers?
O A Force a store to issue store credit
O B. Mediate a disagreement between a consumer and a store
O C. Recall an unsafe product
O D. Make a company repait a damaged product
Answer:
C. Recall an unsafe product
The Consumer Product Safety Commission (CPSC) is a U.S. government agency that is responsible for protecting consumers from unsafe products that are in Option C. The CPSC has the authority to take various actions to help protect consumers.
What is the Consumer Product Safety Commission?The CPSC has the authority to recall any consumer product that poses a substantial risk of injury or death to consumers. The CPSC can require companies to recall their products, issue warnings to consumers, and take other appropriate actions to protect the public. Forcing a store to issue store credit is not a typical action that the CPSC would take to protect consumers. While the CPSC can investigate complaints and take legal action against companies that violate safety standards, it does not have the authority to force stores to issue store credit.
Hence, the Consumer Product Safety Commission (CPSC) is a U.S. government agency that is responsible for protecting consumers from unsafe products that are listed in Option C.
Learn more about the Consumer Product Safety Commission here.
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The next morning your team returns to work in the laboratory, where you get a call from the sheriff. The family of the three missing boys is pressuring him for information. Your team begins the final osteological exam. After careful examination, you produce your final inventory. You are working with the same number of bones, but you now have determined which side of the body they come from (when applicable).
You have:_______.
• 3 skulls
• 6 femora (4 right and 2 left)
• 4 os coxae (All adolescent males, 1 right and 3 left)
• 2 humeri (both right)
• 2 tibiae (both left)
• 5 scapulae (3 right and 2 left)
1. Based on the revised inventory, would you change your MNI? If so, what would be the new MNI?
2. What do you tell the sheriff? Are these the missing boys?
Answer:
See below
Explanation:
1. Yes, the MNI ought to be changed in light of the revised inventory. Since 4 of the 6 femora are right sided, they would belong to different individuals, so the MNI would now be stated as 4.
2. The sheriff would be told that the possibility of suspecting 22 individuals is very narrow, though not impossible. It is also unlikely that the victims are numbered less than 4 in accordance to the bones found.
A possible explanation for the differences in structure, function, and behavior between
chimpanzees' and humans is provided by the
bota
Answer:
The theory of evolution by natural selection
Explanation:
Nowadays, it is widely accepted that chimpanzees are primates closest related to us. Darwin's postulated "The theory of evolution by natural selection", in the book "On the Origin of Species" in 1859. It is a theory that explains how species evolve over successive generations by gradual changes and the selection of the most adaptive phenotypes. Anatomical, fossil, and genetic evidence support the idea of an evolutionary link as Darwin predicted between hominids (humans) and other primates.
In regard to genetic evidence, whole-genome sequence analyses have shown that humans and chimpanzees share about 98% of sequence homology. Moreover, according to the phylogenetic tree, both species evolved from one common ancestor that was present approximately 4 million years ago.
In regard to anatomical and fossil evidence, it has been discovered that the chimp brain has a similar size to human extinct relatives, and thereby also supporting an evolutionary link between both species.
Which statement regarding the "Krebs bicycle" is true? A) Ultimately, it results in the transport of NADH from the mitochondrial matrix to the cytosol. B) The urea cycle and the citric acid cycle have common cycle intermediates and are thus linked. C) Ultimately, it results in the transport of glutamate from the cytosol to the mitochondrial matrix. D) It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Answer:
The correct answer is option D. It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Explanation:
The Krebs bicycle is made out of on the right side the urea cycle, which networks with the aspartate-argininosuccinate shunt of the TCA cycle present on the left side. By argininosuccinate lyase, Fumarate delivered in the cytosol of the urea cycle enters the Krebs cycle in the mitochondrion and is changed over in a few stages to oxaloacetate.
Oxaloacetate gets an amino gathering with the help of transamination from glutamate, and the aspartate formed and leaves the mitochondrion and gives its amino gathering to the urea cycle in the response of argininosuccinate synthetase activity.
Thus, the correct answer is option D. It requires a set of reactions known as the aspartate–argininosuccinate shunt.
smear samples from patient admitted at the kole-teaching hospital with boils and abscesses were brought to the laboratory for staining and microscopic examination. As an upcoming microbiologist state the keeping steps you would to stain the smear using Gram stain.upon examination, you've found blue coloured graped-cluster berry round the cell
1.what could be the outcome of the Gram staining reaction
2.what could be this bacterium and why
Answer:
It could be a Staphylococcus or also called Staphylococcus, due to the disposition it presents.
Explanation:
Staphylococci are coconuts (rounded shape) that unite in the form of a bunch of grapes, this is characteristic of them.
It could become a Staphylococ Aureus, since these are usually associated with the most frequent infections in humans, but the possibility that it is another type of the same bacterial family is not ruled out.
Fungi are a necessary evil to humanity. Discuss the pros and cons.
Answer:
Fungi are said to be a necessary evil for society because:
On the one hand it has many pros, this means that they are used with optimal fines or that they benefit the human, such as yeast and alcoholic fermentation, the processes of beer formation, the production of basic foods for human nutrition , subsistence with the commensal or own flora of the human organism that defends us from other pathogenic microorganisms and really lethal for our species, and lastly they are also very good when it comes to scientific discoveries or advances, a great example is the penicillium fungus which is responsible for forming penicillin which is a very effective antibiotic today for a wide spectrum of bacteria.
On the other hand, the cons that some variety of fungi experienced lethal pathologies for humans such as histoplasmosis, or extremely dangerous pneumonia / bronchitis that today do not have a preventive method such as vaccines.
Explanation:
The fungi kingdom is extremely broad, that is why this kingdom can offer benefits or harm us human beings, and that is because the versatility of fungi is very high.
Nowadays, fungi present not only a difference in their morphologies, but also other resistance mechanisms, or tolerances to oxygen, metabolisms, energy sources, etc.
which of the following occurs after tsunami and forest fire?
a) primary succession
b) quaternary succession
c) secondary succession
d) tertiary succession
Answer:
secondary succesion
Explanation:
C)Secondary succession occurs after a tsunami and forest fire.
Does secondary succession occur after a forest fire?Secondary succession begins when a disturbance (together with wind storms, insect outbreaks, logging, avalanches, bulldozers, or fireplace) leaves the soil intact. Seeds, spores, and roots generally stay as nicely. sites that start with secondary succession reach the following degree greater quickly than during primary succession.
Secondary succession happens while a climax network or intermediate community is impacted with the aid of a disturbance. This restarts the cycle of succession, however not returned to the start soil, and nutrients are still gifts.
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What is the approximate carrying capacity of the
population?
In which year, did the population reach the
carrying capacity?
About how many years did it stay at carrying
capacity?
Answer:
250 individuals
year 3
4 years
Explanation:
Answer:250
year 3
4 years
Explanation:
Which bacteria is Acid-fast?
Answer:
try and sum it down to 3 answers
Explanation:
If the Hemoccult test result is negative, no further testing is done. If the Hemoccult test result is positive, the individual will have a second stool sample tested with the Hemoccult II test. If this second sample also tests positive for blood, the individual will be referred for more extensive evaluation. What is the effect on net sensitivity and net specificity of this method of screening
Answer:
Hemoccult test sensitivity is 89.3% and specificity is 92.7%
Explanation:
Hemoccult test is a test that is carried out in order to find out the presence of occult blood in your stool. This method is used to detect colorectal cancer in your body. Blue color of the blood indicate that the test is positive while the green color represents that the test is negative. Test sensitivity is the ability of a test which identify the person who is affected with the disease i. e. true positive, whereas test specificity is the ability of the test to correctly identify the patient without the disease. The value of sensitivity of the Hemoccult test is 89.3% the specificity is 92.7%, and the positive predictive value is 2.5%.
what is a spinal cord
Answer:
The spinal cord is a long, thin, tubular structure.
Explanation:
The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. It encloses the central canal of the spinal cord, which contains cerebrospinal fluid.
Answer:
it is a tissue
Explanation:
When two pink flowers (RW) are crossed, there are four equally likely possible outcomes for the genetic makeup of the offspring: red (RR), pink(RW), pink(WR), and white (WW). If two pink snapdragons are crossed, what is the probability that the offspring will be (a) pink, (b) red, and (c) white?
Answer:
a) 50% chance of being pink
b) 25% chance of being red
c) 25% change of being white
Explanation:
Since neither the R allele or W allele is dominant over the other, this is codominance. If 2 pink ones are crossed, that means both of them are RW
If we draw out the punnet square
R W
R RR RW
W RW WW
There is a 1:2:1 ratio of Red to Pink to White
Therefore
a) 50% chance of being pink
b) 25% chance of being red
c) 25% change of being white
Why are enzymes important to cells? Why does an egg change color and texture when heated?
The passage describes some glycolysis reactions. Select the appropriate term for each blank to complete the passage. In the first reaction of glycolysis, glucose is converted to glucose 6‑phosphate . The phosphate comes from ______.
A __________is an enzyme that transfers the terminal phosphate of A isomerase glucose 6-phosphate to fructose-6-phosphate to a substrate. The product of this reaction is then isomerized reaction, giving Fructose-6-phosphate is then phosphorylated by a second isomerase fructose 1,6-bisphosphate
Answer:
JUST VOODSE
Explanation:
BRIUH
Each of two parents has the genotype brown divided by red, which consists of the pair of alleles that determine hair color, and each parent contributes one of those alleles to a child. Assume that if the child has at least one brown allele, that color will dominate and the child's hair color will be brown. a. List the different possible outcomes. Assume that these outcomes are equally likely. b. What is the probability that a child of these parents will have the red divided by red genotype? c. What is the probability that the child will have brown hair color?
Answer:
Explanation:
From the given information:
Each of two parents has the genotype brown divided by red
So ;
The man's genotype is : [tex]\mathbf {\dfrac{Brown}{Red}}[/tex]
The woman's genotype is : [tex]\mathbf {\dfrac{Brown}{Red}}[/tex]
This [tex]\mathbf {\dfrac{Brown}{Red}}[/tex] genotype consist of the pair of alleles that determine hair color
Now; we are given an assumption that:
if the child has at least one brown allele, that color will dominate and the child's hair color will be brown.
i.e Brown allele is dominant to Red allele
(a) List the different possible outcomes.
The cross between :
[tex]\mathbf {\dfrac{Brown}{Red}* \mathbf {\dfrac{Brown}{Red}}}[/tex] will produce the following offsprings which is the different possible outcomes.
[tex]= \mathbf {\dfrac{Brown}{Brown} \ \ : \ \ \mathbf {\dfrac{Brown}{Red}} \ \ : \ \ \mathbf {\dfrac{Red}{Brown}} \ \ : \ \ \mathbf {\dfrac{Red}{Red} }}[/tex]
(b) . What is the probability that a child of these parents will have the red divided by red genotype?
The probability that the child of these parents will have [tex]\mathbf {\dfrac{Red}{Red} }}[/tex] is one out of four
i.e
= 1/4
= 0.25
(c) What is the probability that the child will have brown hair color.
We are being told that; if the child has at least one brown allele, that color will dominate and the child's hair color will be brown.
i.e Brown allele is dominant to Red allele
Thus; from above we will see that three of the offsprings have at least one brown allele;
Thus; the probability that the child will have brown hair color is = 3/4
= 0.75
With the use of site-directed mutagenesis, hemoglobin has been prepared in which the proximal histidine residues in both alpha and the beta subunits have been replaced by glycine. The imidazole ring from the histidine residue can be replaced by adding free imidazole in solution. Would you expect this modified Hb with free imidazole to exhibit oxygen binding? Why or why not?
Answer:
The modified hemoglobin with free imidazole cannot be expected to show cooperativity in oxygen binding. The movement of iron ion takes place up in the plane of heme when binding of one subunit of hemoglobin takes place with oxygen. One of the iron's and oxygen's axial ligands comprise the proximal histidine's imidazole ring.
With the movement of iron into the hemoglobin ring, the pulling of proximal histidine takes place along with it. Therefore, when binding of oxygen takes place with one subunit, a modification also takes place in the intersubunit associations, this also comprises displacement of the alpha helix. This phenomenon plays an essential role in modifying the hemoglobin's tensed state to the relaxed state. The withdrawal or mutation of the imidazole ring from the histidine residue does not further permit the cooperative binding as it is not associated physically with the alpha-helix.
Macromolecules in the cell can often interact transiently as a result of noncovalent interactions. These weak interactions also produce stable, highly specific interactions between molecules. Which of the factors below is the most significant in determining whether the interaction will be transient or stable?
a) the size of each molecule
b) the number of chemical bonds between the molecules
c) the concentration of each molecule
d) rate of synthesis
Answer:
The correct answer is option b) "the number of chemical bonds between the molecules".
Explanation:
Chemical bonds are the forces that enable the formation of compounds. The number of chemical bonds is a determining factor to know if an interaction will be transient of stable. The more chemical bonds the more stable an interaction will be. Few chemical bonds between molecules makes an interaction unstable and easy to break, enabling transient interactions that are key to certain biological pathways.
What do eukaryotic cells have that prokaryotic cells do not?
Identify the correct statements about transcription(Tnx) and (Tnl) translation in prokaryotes and eukaryotes.
A. Prokaryotes conduct Tnx and Tnl together in the same cellular compartment.
B. Eukaryotes do Tnx in the nucleus and Tnl in the cytoplasm.
C. Tnx and Tnl occur together in the cytoplasm of Prokaryotes and Eukaryotes.
D. Tnx and Tnl both occur in the nucleus in eukaryotes and prokaryotes.
Answer:
A and B
Explanation:
The correct statements about transcription and translation would be that prokaryotes conduct transcription and translation together in the same cellular compartment and eukaryotes do transcription in the nucleus and translation in the cytoplasm.
Prokaryotes generally lack a nucleus and other membrane-bound organelles and as such, their genetic materials lie freely within the cytoplasm. Hence, transcription and translation take place within the same cellular compartment, which is the cytoplasm.
Eukaryotes, however, have a nucleus and other membrane-bound organelles such as mitochondrion. Their genetic materials lie majorly in the nucleus. Hence, transcription takes place within the nucleus. Thereafter, the transcribed mRNA is transported to the cytoplasm where they get attached to ribosome and tRNA and translated into proteins.
The correct options are A and B.
there are more hydrogen atoms in living organisms than any other atoms are asking is more abundant in the terms Mass why is this statement true
Answer:
The statement is true because most organisms are made of water, and water consists of mostly hydrogen (atoms) since its chemical formula is H2O.
A woman with type A blood (whose father was type O) has children with a man that has type O blood. Both individuals are heterozygous for the MN antigen. Recall that MN blood group antigens are independent of the ABO locus, and that the alleles are codominant.
How would the results from Part A change if both parents are also heterozygous for the FUT1 gene controlling the synthesis of the H substance (Hh)?
Drag the correct value to the blank following each offspring type.
Type A with M antigen:_________.
Type A with M and N antigens:_________.
Type A with N antigen:__________.
Type O with M antigen:__________.
Type O with M and N antigens:__________.
Type O with antigen:_________.
Options: 0, 1/32, 3/32, 5/32, 6/32, 10/32, 1
Answer:
Explanation:
A woman with type A blood (whose father was type O) meaning her genotype is AO mates with
Man that has type O blood (OO genotype)
Both are heterozygous for MN blood group and both also heterozygous for the FUT1 gene controlling the synthesis of the H substance (Hh)- which determines the expression of the A and B antigen.
Cross
A O M N H h
O AO OO M MM MN H HH Hh
O AO OO N MN NN h Hh hh
Type A- 1/2 O-1/2 type M- 1/4 MN-1/2 N- 1/4, type H- 3/4 h-1/4
Type A with M antigen:
1/2*1/4*3/4 = 3/32
Type A with M and N antigens:
1/2*1/2*3/4 = 3/16
Type A with N antigen:
1/2*1/4*3/4 = 3/32
Type O with M antigen:
1/2*1/4*3/4= 3/32
Type O with M and N antigens:
1/2*1/2*3/4 = 3/16
Type O with N antigen:
1/2*1/4*3/4 = 3/32.
The 3/4 value comes from the expression of Hh-3/4 (this determines if the A and B Angie will be expressed).
why are fatty acids important to the cell membrane?
Answer:
Fatty acids are important to the cell membrane for mammalian cells in order to perform various biological functions.
20. Which action removes carbon dioxide from the body?
exhaling
sneezing
swallowing
inhaling
Answer:
exhaling
Explanation:
when inhaling oxygen is taken in and exhaling carbon dioxide is taken out
Answer:
exhaling
Explanation:
This is because exhaling is the process of removing carbon dioxide from the body .
Which group of algae is the most closely related to vascular plant, what scientific evidence can be used to support your answer
Answer:
Explanation:
The green algae lineages hypothesized to be most closely related to land plants include: Coleochaetophyceae (coleochaetes). Charophyceae (stoneworts).well lack of vascular tissue—specialized groups of cells that conduct of water or dissolved nutrients throughout the plants body.(i guess this the scientific evidenxe if not comment ill provide more information)
hope it helps
greater temperature fluctuations occur where
305°
Find the distance CS, and the bearing of S from C.
1.2 km
Find
Х
3 ZXZY
29 cm
38 cm
WX
A
53°
Y
W
Z
47 cm
А
ABCD is a tetrahedron.
29°
16 cm
620
Work out the length of AC.
Work out the length of CD.
Given that BD = 17 cm, calculate angle BCD.
70°
B.
C
13 cm
FA TRIANGLE
Answer:
13x657
Explanation:
fyfdtyerdjytiu
[tex]\int\limits^a_b {x} \, dx \left \{ {{y=2} \atop {x=2}} \right.[/tex]