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yulyashka [42]
3 years ago
6

Which lymphoid organ serve as the site where b lymphocytes become immunocompetent b cells?

Biology
1 answer:
zysi [14]3 years ago
6 0
The thymus gland serves as the site where T lymphocytes become immunocompetent T cells. It is the main organ that composes the lymphatic system. It is much related to the immune system than as it is related to the endocrine system.
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Women who are capable of becoming pregnant should consume ________ per day of synthetic folate from fortified foods and/or suppl
pochemuha

Answer: 400 Micro-grams

Explanation:

  The institute of the medicine, suggest all the women who are pregnant should consume atleast 400 micro-gram per day. In year 1998, this institute take the responsibility to recommend all the pregnant women about their diet plans.

They recommended to take 40 micro gram per day of the synthetic folic from the supplements and fortified food. The folic acid is the type of synthetic vitamin B. The women should consume the food from, the varied diets as it helps to prevent the brain of the baby and also from birth defects.

 

8 0
4 years ago
What is a flat irreguraly shaped cell that make up the top and, bottom layers of leaves
prisoha [69]

Answer:

Epidermal

Explanation:

5 0
4 years ago
I keep filling it in but keep loosing points ! I need help !
Alexxandr [17]
Ik this in spanish but i dont know how can i translate this

3 0
4 years ago
In a population of rabbits, there are 496 black rabbits and 27 white rabbits. Fur color is determined by a pair of alleles where
Troyanec [42]

Answer:

0.96

Explanation:

It is given that

B is the dominant allele which represents the black color

and b is the recessive allele which represents the white fur.

B being dominant will result into black color fur for genotype "Bb"

Given -

Frequency of black fur allele (p) is 0.8

As per Hardy Weinberg's  first law of equilibrium

p + q = 1\\

Substituting the value of p in above equation, we get -

q = 1-p\\q = 1-0.8\\q= 0.2

q represents the frequency for white fur allele

Frequency of white fur phenotype is

q^2\\= 0.2^2\\= 0.04

Frequency of homozygous black fur phenotype (BB) is

p^2\\= 0.8^2\\= 0.64

As per Hardy Weinberg's second law of equilibrium -

p^2 + q^2 + 2pq = 1\\0.64 + 0.04 + 2pq = 1\\2pq = 1 - 0.68\\2pq = 0.32\\

Combined frequency of homozygous and heterozygous black fur phenotype is

0.64 + 0.32\\= 0.96

5 0
3 years ago
In which of the following situations would exocytosis be the proper mechanism of membrane transport?
cluponka [151]

Answer:

Secretion of the neurotransmitter serotonin, which is a water-soluble amine molecule

Explanation:

Exocytosis is defined as the process where cell transports secretary products which are packaged in transport vesicles such as antibodies, peptide hormones, secretory proteins, and enzymes with the help of cytoplasm to the plasma membrane.

Some example of exocytosis are:

1) Neurotransmitters secrets from nerve cells.

2) Antigens which helps to stimulate the immune response.

3) Proteins of the plasma membrane.

8 0
3 years ago
Read 2 more answers
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