Question

Which of the following happens when infected body cells are detected during a cell-mediated immune response? (2 points)
Select one:
a. Helper T cells divide and activate cytotoxic T cells, which destroy the infected cells.
b. Memory T cells divide and form helper T cells, which destroy the infected cells.
c. B lymphocytes divide and activate memory B cells, which destroy the infected cells.
d. Memory B cells divide and form plasma cells, which destroy the infected cells.

Answer 1

@Jadeishere

Answer 2

A

Answer 3

Which of the following describes how polluted water sources would most likely affect one's personal health? (2 points)
Select one:
a. Microorganisms would release histamine, causing inflammation and swelling.
b. Bacteria would enter the body and inhibit a specific immune response.
c. Infectious agents would prevent the immune system from producing lymphocytes.
d. Pathogens would invade the body and cause disease, such as giardia.

Answer 4

d

Answer 5

If there is a mutation in a zygote, where is it likely to be found in the fetus? (2 points)
Select one:
a. The mutation will show up in any fetal cells formed by mitosis but not in those formed by meiosis.
b. The mutation will only be in the one cell that was the original zygote and the other cells of the fetus will not have it.
c. The mutation will occur in all the cells of the fetus since they all formed by mitosis from the zygote.
d. The mutation will only be found in the types of cells in the fetus that could be harmed by the mutation and not in any others.

Answer 6

@beccaboo333