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Furkat [3]
3 years ago
12

Which one of the following is NOT a function of sertoli cells?

Biology
1 answer:
zimovet [89]3 years ago
4 0

Answer:

The correct answer will be option-B.

Explanation:

Sertoli cells are the large somatic cells present in the testis which helps in the formation of spermatozoa. The Sertoli cells create a suitable environment for the production and maturation of the sperms as they produce certain molecules which nourishes the sperms.

The Sertoli cells act as a barrier between the testis and blood and secrete enzymes like inhibin. They eliminate the apoptotic germ cells and also produce seminiferous fluid to nourish the sperm. They do not play any role in primary spermatocytes.

Thus, Option-B is the correct answer.

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Mitosis and meiosis always differ in regard to the presence of a. chromatids. b. homologs. c. bivalents. d. centromeres. e. spin
Fantom [35]

Answer:

c. bivalents.

Explanation:

In Meiosis a bivalents are formed during the first stage of meiosis which is the prophase. The bivalent consist of a paired chromosome and four chromatids i.e two chromosomes in a tetrad. one chromosome comes from each parent.

In mitosis, a bivalent is not formed. There is the presence of chromatids, homologs, centromeres and spindles during mitosis and meiosis.

5 0
3 years ago
Read 2 more answers
In a sample population of people, 36% have the recessive trait of "free" earlobes (q2). What is the frequency of the dominant al
ICE Princess25 [194]

Answer:

Explanation

Given that 36% are recessive in traits

100-36 = 64% for dominant traits considering a whole population to be 100%

P=dominant allele

q= recessive allele

P2= dominant genotype

q2= recessive genotype

according to hardyweinberg principle, p+q=1

64/100= 0.64 frequency for dominant traits or genotype, therefore

p2=0.64

then

P=√0.64

p= 0.8

Therefore, dominant allele frequency (p) for the population is 0.8

4 0
3 years ago
What would be first three amino acids in the protein formed from this gene? UTC GTU TTG
Andrews [41]
<h2>Answer:</h2>

The three amino acid will be Tyrosine, Asparagine and Lysine respectively to sequence.

<h3>Explanation:</h3>

UTC GTU TTG

First the thymine in the sequence is changed to A, adenine because in the mRNA only three types of nucleotides are allowed which are Adenine, thymine and Uracil.

So the sequence will be:

UAC GAU AAG

These codons will be read by tRNA producing the polypeptide sequence of amino acids which are as follow:

Tyrosine Asparagine Lysine.

8 0
3 years ago
6. If you replaced the temperature scale on the graph's x-axis with a color
scoray [572]

Answer:

There's red and blue, typically Red is farther and blue is closer.?

Explanation: Not enough information honestly. what graph is there?

5 0
2 years ago
What happens when a population is in Hardy- Weinberg equilibrium?
Reptile [31]

I just took the QUIZ the answer to this question is  

The phenotype frequency does not change.

3 0
3 years ago
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