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Amanda [17]
3 years ago
14

Which cells quickly respond to produce antibodies on second exposure to the same antigen?

Biology
1 answer:
Vilka [71]3 years ago
6 0

Answer:b-cells produce antibodies or (memory b-cells)

Explanation:B cells are one of the two types of lymphocytes, the other kind being T cells. B-cells have a very specific function: the production of antibodies, which play a major role in immunity. Memory cells remember specific foreign invaders, pathogens, and antigens to fight them off if they come back in the future.

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Identify two cell structures involved in modifying and transporting proteins out of the cell. Structure:
Ede4ka [16]

6 & 7

Structure 6 is the Rough Endoplasmic Reticulum ( RER) while structure 7 is the Golgi apparatus.

Explanation:

The RER has ribosomes aligning its outer membrane (reason why it's referred to as called rough ER). The ribosomes manufacture polypeptide chains that enter the lumen of the RER. The polypeptide chains are properly folded using chaperones in the lumen of the RER and undergo post-translation modifications, These proteins then undergo Quality Control checks and the proper ones are allowed to proceed to the Golgi apparatus.

Proteins from the RER reach the Golgi apparatus through vesicles that bud off of the <em>trans</em> side of the RER then fuse with the <em>cis </em>side of the Golgi apparatus. The Golgi perform a few more modifications to the proteins  including tagging them for delivery , then packages them. Vesicles carrying the proteins bud off of the <em>trans</em> side of the Golgi and get transported to their destination inside or outside the cell.

Learn More:

brainly.com/question/2135887

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7 0
3 years ago
Bison are grazers, living in herds that migrate in search of better pasture. Bison live in _____. deserts grasslands freshwater
Vsevolod [243]
Bison are gazers. They live in herds and they migrate in search of better pastures. Bisons live in the grasslands. The grassland biome is when the <span>lands are dominated by grasses as opposed to trees and shrubs.</span>
4 0
3 years ago
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What is the expected result when the end product of a metabolic pathway binds to an enzyme in that pathway?
andrew11 [14]

Answer:

Feedback inhibition.

Explanation:

It is feedback inhibition pathway because it is a cellular control process in metabolic part wat in which the output of a metabolic pathway binds to an enzyme at the regulatory sites which is distinct from the active sites of the substrates, causing a conformational changes on the enzyme which then makes it to slow down or inhibit it's production or synthesis.

This help to prevents excess of the high levels of the product from accumulating in the cell

4 0
3 years ago
a man whose blood group is heterozygous B is married to a woman whose blood group is also heterozygous B.which of the following
Ratling [72]

Answer:

A. three of them would belong to blood group B

Explanation:

In a punnet square it would result in:

          B         b

B      BB       Bb

b      Bb       bb

4 0
3 years ago
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What is the INPUT and OUTPUT of Meiosis?
Snezhnost [94]

Explanation:

the output of meiosis is:- Meiosis is the form of eukaryotic cell division that produces haploid sex cells or gametes (which contain a single copy of each chromosome) from diploid cells (which contain two copies of each chromosome).

And the input is:- Meiosis is to produce gametes, or sex cells. During meiosis, four daughter cells are produced, each of which are haploid (containing half as many chromosomes as the parent cell).

5 0
3 years ago
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