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.
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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.
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
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
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