Course

Introductory Biology

Study Pack

Set 12 Mutationdna Repairand Cancer

Back to Sets
Question 1

(Multiple Choice)

Free
Which of the following is true concerning a somatic cell mutation?

A)A small fraction of the gametes carry the mutation.
B)Half of the gametes carry the mutation.
C)All of the gametes carry the mutation.
D)Only a small group of cells within the organism is affected by the mutation.
E)All cells within the organism are affected by the mutation.

Answer

Question 2

(Multiple Choice)

Free
Which of the following is most likely to occur when a tumor-suppressor gene is mutated,resulting in cancer?

A)The resulting tumor-suppressor protein will be overexpressed.
B)The resulting tumor-suppressor protein would further suppress cell proliferation.
C)The resulting tumor-suppressor protein would activate an oncogene.
D)The resulting tumor-suppressor protein would lose its ability to suppress cell proliferation.
E)None of the choices are possiblE.

Answer

Question 3

(Multiple Choice)

Free
Which of the following is an overgrowth of cells that serves no useful purpose?

A)tumor
B)oncogene
C)proto-oncogene
D)apoptosis
E)carcinogen

Answer