Complementary base pairs form _______ bonds to direct replication of DNA.
a. hydrogen
b. phosphodiester
c. glycosidic
d. peptide
Ans: a. hydrogen
You might also like to view...
Although T4 encodes over 250 proteins, it does not encode its own RNA polymerase
Indicate whether the statement is true or false.
If primary production increases in an ecosystem, it would be reasonable to expect that
A. nutrients are a limiting factor. B. gross production would not increase. C. cellular respiration would increase. D. the trophic web has become more complex. E. the biomass of herbivores would increase.
A graph of phenotypic variation similar to the accompanying illustration strongly suggests
a. incomplete dominance. b. codominance. c. epistasis. d. polygenic inheritance. e. environmental effects on phenotype.
The atmosphere of the early Earth is currently thought to have contained:a
carbon dioxide, water, oxygen, nitrogen, and hydrogen. b. carbon dioxide, water, carbon monoxide, hydrogen, and nitrogen. c. carbon dioxide, carbon monoxide, water, hydrogen, and nitric oxide. d. carbon dioxide, ozone, nitric oxide, water, and hydrogen sulfide. e. methane, water, ammonia, nitrogen, and oxygen.