Which term refers to a normal gene that when mutated causes a cell to become cancerous?

a. Proto-oncogene
b. Carcinogen
c. Suppressor gene
d. Diploid germ cell


a. Proto-oncogene

Proto-oncogene refers to a normal gene that when mutated causes a cell to become cancerous.

Biology & Microbiology

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Sexual fusion brings two haploid cells together to produce a:

A. polyploid cell. B. diploid cell. C. haploid cell. D. None of these choices are correct.

Biology & Microbiology

Varicose veins are the result of:

a. excessive blood volume b. torn walls of veins c. slow blood movement d. damaged valves e. excessive exercise

Biology & Microbiology

How many carbon dioxide molecules are produced by the complete aerobic breakdown of one glucose molecule?

A. 6 B. 4 C. 5 D. 3 E. 2

Biology & Microbiology

One strategy that allows larger cells to have an effective surface area to volume ratio is:

a. having a completely spherical shape. b. being short and fat. c. having thin, finger-like projections. d. having a thinner plasma membrane. e. locomotion

Biology & Microbiology