Select the correct satement regarding the rate of mutation?
A. Rates of mutation per cell generation typically range from 10-5 to 10-9
B. Mutation rates are consistent across species
C. Mutation rates are not influenced by environmental conditions
D. Mutation rates are constant
A
You might also like to view...
In addition to the promise of disease therapies, the uses of stem cells in medical research include the study of how _____
a. diseases develop and progress before phenotypes are visible b. Huntington Disease progresses in its latest stages c. to engineer animal models for human disease d. to harvest multipotent cells from human blastocysts e. to fertilize human eggs in vitro
In the light-dependent reactions of photosynthesis, how do hydrogen ions get back into the stroma?
a. passive diffusion directly across the thylakoid membrane b. active transport across the thylakoid membrane c. facilitated diffusion across the thylakoid membrane d. active transport through ATP synthase e. passive diffusion through ATP synthase
Insects have an excretory system consisting of Malpighian tubules. Indicate whether the statement is true or false
RNA is believed to have been the initial genetic system because it can
a. form a stable double helix with a complementary nucleic acid strand. b. catalyze the polymerization of nucleotides into another RNA strand. c. form ribosomes. d. transfer amino acids to ribosomes.