The reactant (reactants) of photosynthesis is (are)
A. oxygen.
B. water and carbon dioxide
C. chlorophyll.
D. glucose.
E. glucose and oxygen.
B. water and carbon dioxide
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In a normal cellular protein, where would you expect to find a hydrophobic amino acid like valine?
A) in the interior of the folded protein, away from water B) on the exterior surface of the protein, interacting with water C) in the transmembrane portion interacting with lipid fatty acid chains D) in the interior of the folded protein, away from water, or in a transmembrane portion interacting with lipid fatty acid chains E) anywhere in the protein, with equal probability
When Frederick Griffith injected dead bacteria of the virulent S strain into mice, the mice
A. became ill but lived. B. died of blood poisoning. C. remained healthy. D. reproduced quicker.
Based on Figure 52-3, when prey are abundant the most effective hunting group size is:
a. 1. b. 3. c. 4. d. 5. e. 7.
Why do organisms growing by anaerobic respiration generate less ATP than organisms growing by aerobic respiration?
a. They don’t use electron transport to generate proton motive force. b. O2 has the most positive reduction potential and thus is a better electron acceptor. c. Much less NADH is produced to be used as an electron donor. d. They don’t generate ATP by oxidative phosphorylation.