How many nucleotides are required to code for 10 amino acids?

A. 30
B. 10
C. 20
D. 3


Answer: A

Biology & Microbiology

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Substrate-level phosphorylation transfers phosphate groups directly from ____ to ADP

a. a substrate b. coenzymes c. the electron transfer chain d. ATP e. the Krebs cycle

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A salt will dissolve in water to form

a. acids. b. hydrogen bonds. c. ions other than H+ and OH-. d. bases. e. buffers

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Cuvier, an anatomist and paleontologist, proposed

that a. all present-day organisms have descended, with adaptations, from one—or possibly a few— original organisms. b. the earth’s history has been marked by several periods when destruction of populations was widespread and that, after each such period, the earth was repopulated. c. evolutionary changes in organisms are caused by use and disuse. d. although evolution is responsible for all the changes that happen to species, one center of creation resulted in the original members of each species. e. none of these are true.

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How do amoebas differ from foraminiferans?

What will be an ideal response?

Biology & Microbiology