If the NaCl concentration drops below 1.5 M the cell walls of Halobacterium disintegrate.
Answer the following statement true (T) or false (F)
True
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If oxygen is unavailable, predict what happens to the citric acid cycle
A. It stops because the supplies of NAD+ and FAD become depleted. B. It stops because ADP levels increase in the absence of oxygen. C. It continues because none of the reactions in the citric acid cycle require oxygen. D. It continues because ATP levels are low, and low ATP activates enzymes of the cycle.
Which biome is characterized by plants whose leaves drop off in the wintertime?
a. coniferous forest b. tundra c. temperate deciduous forest d. tropical rain forest e. boreal forest
As a result of a tariff, domestic consumers buy
a. fewer units at a higher price. b. fewer units at a lower price. c. more units at a lower price. d. more units at a higher price.
An example of a genotype is
A) attached earlobes. B) homozygous dominant. C) brown hair color. D) long fingers. E) blood type AB.