Centrioles and a starburst cluster of spindle fibers would be found in
a. both plant and animal cells.
b. only plant cells.
c. only animal cells.
d. none of the above.
b
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Why does NADH produce more energy than FADH2?
a. FADH2 donates electrons to protein complex III as opposed to complex II. b. FADH2 requires more ATP to produce it and gives more energy back. c. NADH and FADH2 are synthesized in different steps of cellular respiration. d. NADH donates electrons to a higher energy acceptor in the electron transfer chain. e. NADH supplies fewer electrons that are of a higher energy state than FADH2.
When the blood becomes ________, it can lead to a depression in the activity of the central nervous system.
A) hypoxic B) alkaline C) hypocapnic D) acidic E) pH 7.4
As you are reading this question, the amount of air being moved with each ventilation is referred to as:
a. your vital capacity. b. your tidal volume. c. your residual capacity. d. the Bohr effect. e. hyperventilation.
A species colonizes an island, goes through a phase of exponential growth, and reaches the carrying capacity of the island. At what stage is the growth rate slowest?
A. exponential phase B. after reaching K C. approaching K D. initial colonization