When the pH of the blood becomes more acidic, the respiratory center
A. decreases the rate and depth of breathing.
B. increases the rate of breathing but decreases the depth.
C. stops breathing altogether.
D. increases the rate and depth of breathing.
E. decreases the rate of breathing but increases the depth.
Answer: D
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The lagging strand is the daughter strand that has its ____ end pointed toward the replication fork and is therefore synthesized ______
A. 3'; in a series of segments B. 3'; continuously C. 5'; in a series of segments D. 5'; continuously E. None of the answer options are correct.
Name a defining characteristic of innate immunity
What will be an ideal response?
The initial, brief period of early, general symptoms such as fatigue and muscle aches, is the
A. period of invasion. B. prodromal stage. C. convalescent stage. D. incubation period. E. All of these choices are correct.
The hypothesis that life began with the evolution of inorganic compounds into simple organic molecules, macromolecules, and protocells is called what?
A. chemical evolution B. organic chemistry C. speciation D. Darwinian evolution E. cell theory