Textbook Question
Proteins may function as .
a. genetic material;
b. cholesterol molecules;
c. fat reserves;
d. enzymes;
e. all of the above
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A fat molecule consists of . a. carbohydrates and proteins; b. complex carbohydrates only; c. saturated oxygen atoms; d. a carbon skeleton and fatty acids
Eukaryotic cells differ from prokaryotic cells in that only eukaryotic cells . a. contain DNA; b. have a plasma membrane; c. are considered to be alive; d. have a nucleus; e. are able to evolve
Which of the following is not consistent with evolutionary theory? a. All living organisms share a common ancestor; b. The environment affects which organism survives to reproduce; c. Natural selection always favors the same traits, regardless of environment; d. Humans are not necessarily the best adapted organisms.