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3 years ago

How many chromosomes do each sex cell have

Biology

1 answer:

FrozenT [24]3 years ago

4 0

$\huge \tt{Hello...!}$

<h2><u>My </u><u>Answer</u></h2>

In humans, cells other than human sex cells, are diploid and have 23 pairs of chromosomes. Human sex cells (egg and sperm cells) contain a single set of chromosomes and are known as haploid.

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During which of the following processes do vesicles sometime fuse with lysosomes

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Vesicles sometimes fuse with lysosomes in the process of endocytosis. Endocytosis absorbs molecules by r<span>emoving portions of the plasma membrane and taking them inside the cell.</span>

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3 years ago

after the industrial revolution, the dark colored bark on the trees caused which kind of peppered moths to flourish

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3 years ago

You want to test pentapeptides (short peptides with only five amino acids) for their ability to bind to and inhibit a particular

S_A_V [24]

Answer:

The correct answer is 3200000.

Explanation:

If there is only one amino acid in the peptide, the probable number of combinations would be 20. If there is only two amino acid in the peptide, the probable number of combinations will be 20^2. Similarly, for three amino acids in the peptide it would be 20^3 and for four it would be 20^4.

Thus, in the case of pentapeptide, that is, five amino acids in a peptide, the probable number of combinations will be 20^5, which comes out to be 3200000. Thus, the total number of different pentapeptides will be 3200000 that needs to be tested for receptor binding.

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3 years ago

In figure 33-5, identify the four chambers of the heart. then use them to describe the path through which blood travels in the h

Sergeeva-Olga [200]

Answer:

You did not provide a figure, but you can refer to the attached picture and match it up with your figure.

The heart has 4 chambers. It has the left and right Atrium (plural is atria) and the left and right ventricle.

The blood FROM the body going towards the heart is deoxygenated. It empties into the RIGHT ATRIUM. From there, it goes through the tricuspid valve then empties into the RIGHT VENTRICLE. The right ventricle then pumps the blood up into the pulomonary artery, and goes towads the lungs to be oxygenated. The oxygenated blood then leaves the lungs via the pumonary vein and it empties the blood into the LEFT ATRIUM. From there the blood goes through the bicuspid valve and pours into the LEFT VENTRICLE. The left ventricle pumps the blood up the aorta and from there, it goes to the different parts of the body.

In summary:

BODY ---> RIGHT ATRIUM ---> RIGHT VENTRICLE ---> LEFT ATRIUM ---> LEFT VENTRICLE

Take note though that this is the pathway with regards to ONLY the chambers.

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3 years ago