_________________ is the effect of chance on a populations allele frequencies
A. Natural selection
B. Mutation
C. Genetic drift
D. Gene flow
C. Genetic drift
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During cellular respiration, _______ is the step that produces the greatest number of ATP molecules.
-fermentation -glycolysis -Krebs cycle -oxidative phosphorylation -carbon fixation
Nitrogen-fixing bacteria respond to compounds released by legumes by releasing signaling molecules that trigger the roots to grow around and encapsulate them inside swellings called ____________.
Fill in the blank(s) with the appropriate word(s).
Hypotension during an episode of dehydration indicates that the body is:
A) decompensating due to an excessive loss of blood as well as water and key electrolytes. B) shifting water from inside the cells to the interstitial space in an attempt to maintain perfusion. C) compensating by releasing epinephrine and norepinephrine from the sympathetic nervous system. D) no longer capable of effectively pulling fluid from the interstitial space and the cellular area.
Bleach has an approximate pH of 13, and pure water has a pH of 7. How much more basic is bleach than pure water?
A) 100× B) 1,000× C) 10,000× D) 100,000× E) 1,000,000×