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kvasek [131]
3 years ago
6

Why is the tunica intima, the inner most layer of arteries and veins, made up of epithelial cells?

Biology
1 answer:
eimsori [14]3 years ago
3 0

B. epithelial cells allow blood to flow through freely.
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From the organ systems listed below, select the correct sequence of organs found in each system.
crimeas [40]
I believe the answer is heart, liver, pituitary gland, kidneys, and skin! hope this helped :)
3 0
3 years ago
How many gene pairs are needed to affect skin color?
Lesechka [4]

Answer:  At least four pairs of alleles are involved in skin color, and there are nine (or more) shades of skin color. The bionomial expansion (a + b)6 can also be used to display the cross in Table 1, where the letter a represents the number of capital letters and the letter b represents the number of small case letters.

Explanation:

5 0
3 years ago
Which is most likely the reason why there were no pink colonies seen on spread plate d?
Alenkinab [10]
<span>Here are the missing options for the above question:
</span><span>1. The bacterial culture in test tube D was diluted so much that no pink bacteria were left in the sample.

2. The pink bacteria were not able to get enough energy from the nutrient broth in test tube D to live.

3. The white bacteria outcompeted the pink bacteria for the nutrients in the broth in test tube D.

4. The pink bacteria are sediment growers in nutrient broth and the micropipette could not reach them.
</span><span>
It was about Spread Plate Method of Isolation with nutrient broth. Therefore the best answer choice is:

</span><span>1. The bacterial culture in test tube D was diluted so much that no pink bacteria were left in the sample.</span><span>

</span>
6 0
3 years ago
An animal has a diploid chromosome number of 60. Suppose that the first meiotic division of a germ cell is normal, but a single
ella [17]

Answer:

Two gametes end up with 30 chromosomes, one gamete will have 31 and one will have 29.

Explanation:

During meiosis, a single diploid cell divides into four haploid cells with half the chromosome number than the parent cell.

During meiosis I, homologous chromosomes separate and the chromosome number in the two daughter cells goes down by half. During meiosis II, the "sister" chromatids separate, and the chromosome number in the respective daughter cells remains the same.

Non-disjunction of a single dyad in meiosis II causes that one of the daughter cells will have an extra chromosome, and another will be lacking one. The two other gametes will be normal.

I drew a simple example of what would happen during meiosis of a 2n=4 cell if there was non-disjunction in a single dyad during meiosis II.

5 0
4 years ago
What is a constraint?
NeTakaya

Answer:

<em>c</em><em>.</em><em> </em><em>a</em><em> </em><em>f</em><em>a</em><em>c</em><em>t</em><em>o</em><em>r</em><em> </em><em>t</em><em>h</em><em>a</em><em>t</em><em> </em><em>l</em><em>i</em><em>m</em><em>i</em><em>t</em><em>s</em><em> </em><em>o</em><em>r</em><em> </em><em>p</em><em>u</em><em>t</em><em>s</em><em> </em><em>r</em><em>e</em><em>s</em><em>t</em><em>r</em><em>i</em><em>c</em><em>t</em><em>i</em><em>o</em><em>n</em><em>s</em><em> </em><em>o</em><em>n</em><em> </em><em>a</em><em> </em><em>d</em><em>e</em><em>s</em><em>i</em><em>g</em><em>n</em><em>.</em>

Explanation:

constraint - a limitation or restriction.

7 0
2 years ago
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