True or False: the electrochemical gradient in a chloroplast can have a concentration of protons 1,000 times greater on one side of a thylakoid membrane than the other
A. true
B. false
A
Biology & Microbiology
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In organisms with large genomes, inversions typically occur in
A. coding DNA. B. noncoding DNA. C. open reading frames. D. closed reading frames. E. reciprocal translocations.
Biology & Microbiology
Megaspores produce
a. female gametophytes. b. pollen grains. c. sporophytes. d. male gametophytes. e. diploid tissue
Biology & Microbiology
Angiogenesis contributes to carcinogenesis because it
A. allows tumor cells to invade underlying tissues. B. causes additional mutations to occur in tumor cells. C. allows tumor cells to spread to other parts of the body. D. causes blood vessels to grow into the tumor. E. causes apoptosis in tumor cells.
Biology & Microbiology
CO2 makes up about ________ percent of the atmosphere
A) 0.035 B) 35 C) 3.5 D) 37 E) 0.35
Biology & Microbiology