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JulsSmile [24]
3 years ago
12

There is antibody-mediated and cell-mediated specific immunity. Which type of cells are primarily involved in the antibody-media

ted immune response?
A. Macrophages
B. B cells
C. Complement proteins
D. T cells
E. Antigens
Biology
1 answer:
amid [387]3 years ago
5 0

Answer:

The correct answer is option B. B cells.

Explanation:

An antibody-mediated immune response is an immune response that involves the B cells to recognize the antigen or pathogen present in the blood or the lymph of an individual that is the reason it is also known as the humoral immune response.

The primary response in the antibody-mediated response is B cells as they are activated by the chemicals released by the helper T cells and start producing plasma B cells and memory B cells.

Thus, the correct answer is option - b. B cells.

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You select seeds from the largest, tastiest watermelons from your garden every year and use them to grow the next year's fruit.
Step2247 [10]

There would be less variability in the genes of the watermelon plants and is denoted as option A.

<h3>What is Variability?</h3>

This is defined as the difference between organisms which is caused by genetic or environmental factors.

Using the seeds from the largest, tastiest watermelons will reduce variability over time because these characteristics will become dominant.

Read more about Genetic variation here brainly.com/question/14926046

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5 0
2 years ago
when looking for Endoplasmic reticulum of a cell, the microscope zooms in enough to see ribosomes that are embedded in the outsi
nalin [4]

Answer:

Rough ER

Explanation:

This type of Endoplasmic Reticulum has ribosomes around its outer membranes hence is a major organelle in the processing of cell proteins. When polypeptide chains are formed in the ribosomes, they enter the lumen of the RER where they are folded properly using chaperones and post-translational modification carried out on them.

8 0
3 years ago
Why are All Cells Not The Same ?
kaheart [24]
Cells have different uses and functions. There must be differentiation/diversity between cells to form a functional organism.
4 0
3 years ago
Is the pH of Claire's small intestine below, within, or above the optimal range of each enzymes?
Margaret [11]

Answer: Protease is within

Lipase is within

Carbohydrase is within

Explanation:

Because a pH of 9.1 is within the green area for every graph, Claire’s pH is within the optimal range for every enzyme.

6 0
3 years ago
I need help with my biology hm
lidiya [134]

Answer:

Okay let me break this down, so you have a pure red and pure white feathered chicken meaning that the chickens have homologous alleles. Overtime, as you breed the two you may get multicolored chickens but they can carry the recessive white feathers alleles (FWFW) meaning that they can still produce all white chickens and they can continuously do that over generations. Selective breeding may be negative because you may not get the desired result, you could breed for the wrong traits, other characteristics are lost and the resulting population is very similar. Less genetic variation can cause the chickens to not be resistant to problems like diseases and could fall ill.

Explanation:

4 0
3 years ago
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