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Fiesta28 [93]
3 years ago
6

IN YOUR OWN WORDS, write the definition for the word Centromere. -Thank you!

Biology
2 answers:
marshall27 [118]3 years ago
8 0

Answer:

a chromosome that links a pair os sister chromosome

Explanation:

each chromosome is made of two parallel strands called chromatids. and each pair of chromatids is connected at one point by a structure called centromere.

AlekseyPX3 years ago
7 0

Answer:

is the constricted region of a chromosome that separates it into a short arm and along arm

or...is a specialized DNA sequence of a chromosome that links a pair of sister chromatids

Explanation:

during cell division , the chromosomes first replicate so that each daughter cell receives a complete set of chromosomes

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4 years ago
which one of the following statements is not true of the helper t cell response? science philosophy of the vsc
sergeinik [125]

The fact that helper T cells produce antibodies is incorrect. T cells can stimulate B cells to make antibodies, but they cannot make them by themselves.

<h3>What is cell-mediated immunity?</h3>

Cell-mediated immunity includes B cells and T helper cells, both of which are important components of the adaptive immune system. Antigen-presenting cells (APCs) first activate helper T cells by showing them the antigen that is carried by them. After T-helper cell activation, it secretes some cytokines that further stimulate the cell differentiation of T cells and activate B cells. The B cell, after activation, makes antibodies that are required to kill the particular pathogen in the body.

Hence, the option that mentions that helper T cells produce antibodies is incorrect.

Learn more about the cell-mediated immunity, here

brainly.com/question/9924784

#SPJ1

The question is incomplete. The complete question is below

1) which one of the following statements is not true of the helper t cell response? (select one)

a) They can stimulate B cells.

b) They are responsible for cell mediated immunity.

c) Helper T cell can secret cytokines.

d) They require an antigen presenting cell.

e) They produce antibodies.

4 0
1 year ago
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