Question

Need some help! Will appreciate the fastest answer. Thnx in advanced!

1) What do B cells do?
a. cause inflammation
b. make your mucous membranes watery
c. produce antibodies
d. eat dead cells

2) Why do doctors recommend that people get a new flu shot every year?
a. the flu virus becomes immune to the vaccine
b. the vaccine wears out over time
c. your body eliminates the vaccine
d. the flu virus changes every year

3) Antibodies do which of the following?
a. attach to cells with corresponding antigen
b. engulf and destroy pathogens
c. produce antigens
d. produce immature cells that become B cells

I keep getting a D, so if you could kind of explain it to me as well, that will be great.

Answer 1

B cells make antibodies. That's just what they do.

2 is D. The flu virus constantly mutates, so a new vaccine every year is developed.

Antibodies attach to cells with the corresponding antigen. anti-anti, that's how i remember it.
 
You're welcome!

Answer 2

B cells produce antibodies (option C), whereas doctors recommend that people get a new flu shot every year because the flu virus changes every year (Option D).

What is mutation?

Mutation refers to any type of alteration of the genetic material (DNA) in the genome of an organism or virus.

• Antibodies attach to cells with corresponding antigens (Option A), which is fundamental in immune responses.

• Antibodies are produced by specific cells of the immune system (B cells).

In conclusion, B cells produce antibodies (option C), whereas doctors recommend that people get a new flu shot every year because the flu virus changes every year (Option D).

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