Activities Quiz
1.

Which of these cells is a phagocytic leukocyte that can engulf a foreign bacterium? (Activity 43A)

B cell
cytotoxic T cell
plasma cell
helper T cell
macrophage


2.

_____ interact with the antigen-class II MHC complex presented by macrophages. (Activity 43A)

B cells
Bacterial cells
Helper T cells
Epithelial cells
Cytotoxic T cells


3.

B cells that have been stimulated by interleukin-2 develop into _____. (Activity 43A)

macrophages
helper T cells
cytotoxic T cells
antigens
plasma cells


4.

The role of cytotoxic T cells is the secretion of _____, which plays a role in the _____ immune response. (Activity 43A)

antibodies ... antibody-mediated
antibodies ... humoral
perforin ... cell-mediated
perforin ... humoral
interleukin-2 ... humoral


5.

Clonal selection is the division of _____ that have been stimulated by binding to an antigen, which results in the production of cloned _____. (Activity 43A)

helper T cells ... plasma cells
B cells ... plasma cells and memory cells
T cells ... B cells
B cells ... macrophages
macrophages ... B cells and T cells


6.

Which of these cells is responsible for the rapidity of the secondary immune response? (Activity 43A)

memory cells
cytotoxic T cells
macrophages
cytokines
plasma cells


7.

Which of these cells produce and secrete antibodies? (Activity 43A)

macrophages
cytotoxic T cells
helper T cells
bacterial cells
plasma cells


8.

The genetic material of HIV consists of _____. (Activity 43B)

single-stranded DNA
single-stranded RNA
double-stranded DNA
double-stranded RNA
none of the above


9.

Which of these binds to receptor molecules on the host cell membrane? (Activity 43B)

question 9

A
B
C
D
E


10.

What is the function of reverse transcriptase? (Activity 43B)

catalyzing the formation of a polypeptide from a RNA template
catalyzing the formation of DNA from a polypeptide template
catalyzing the formation of RNA from a polypeptide template
catalyzing the formation of RNA from a DNA template
catalyzing the formation of DNA from a RNA template


11.

What is the source of a viral envelope? (Activity 43B)

host cell DNA
prophages
provirus
host cell membrane
viral glycoproteins


12.

Which of these is reverse transcriptase? (Activity 43B)

question 12

A
B
C
D
E


13.

Which of these is the viral genome? (Activity 43B)

question 13

A
B
C
D
E


14.

Click on the diagram to start the animation. What enzyme is responsible for the process seen here? (Activity 43B)

RNA polymerase
DNA polymerase
reverse transcriptase
endonuclease
DNA ligase


15.

Double-stranded viral DNA is incorporated into a host cell as a _____. (Activity 43B)

promoter
provirus
transposon
lac
homeoboxes



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publishing as Benjamin Cummings