What is an alternative to RNA as the first polymer of life?
a. nucleotides
b. non-genetic polymers
c. polymers that do not form a double helix
d. other genetic polymers containing different sugars
e. other genetic polymers containing different amino acids
E
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Why is glycolysis described as having an investment phase and a payoff phase?
A) It both splits molecules and assembles molecules. B) It attaches and detaches phosphate groups. C) It uses glucose and generates pyruvate. D) It shifts molecules from cytosol to mitochondrion. E) It uses stored ATP and then forms a net increase in ATP.
Considering only glycolysis and the conversion of pyruvate molecules to acetyl CoA molecules, how
many NADH molecules will be produced from one glucose molecule? a. one b. two c. three d. four e. five
Temperature is a bacterial growth requirement. In which category are most human pathogens found?
a. mesophile b. thermophile c. psychrophile d. hyperthermophile
Blood plays an important role in homeostasis.
Answer the following statement true (T) or false (F)