ATP is formed when ____ the thylakoid lumen
a. hydrogen ions enter
b. hydrogen ions leave
c. electrons enter
d. electrons leave
e. water is split in
b
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Ergot is:
A. a fungal disease of rye crops and other grasses B. a carcinogen produced by fungi C. a predatory fungus that traps nematodes D. the cause of bread mold E. a colorful poisonous mushroom
In order to understand the driving force of ATP synthase in chloroplasts, researchers broke open chloroplasts, isolated
the thylakoid membrane and measured ATP synthesis under different light conditions. What were the results of this experiment?
a. ATP production occurred only in light, suggesting that the light is directly responsible for the activation of ATP synthase. b. ATP production occurred only in light, suggesting that the light is indirectly responsible for the activation of ATP synthase. c. ATP production occurred only in dark, suggesting that the light directly inhibits ATP synthase. d. ATP production occurred only in dark, suggesting that the photons of light act as allosteric (non-competitive) inhibitors of ATP synthase. e. ATP production occurred only in dark, suggesting that the light is indirectly responsible for the activation of ATP synthase.
Archaeans like Sulfolobus have multiple origins of replication. This suggests that they
a. in this regard, are more like bacteria than eukaryotes. b. in this regard, are more like eukaryotes than bacteria. c. have a unique form of chromosomal replication. d. have multiple plasmids, whose replication must be coordinated. e. have multiple chromosomes.
Charles Darwin
a. lived in New England.. b. studied to become a doctor. c. followed his avocation as a sailor. d. is identified with the concept of natural selection. e. sailed on the H.M.S. Bassett.