For which of the following traits is human mating expected to be nonrandom?
A) Blood type
B) Isocitrate dehydrogenase enzyme
C) Skin color
D) Presence or absence of a widow's peak
E) Fingerprint loci
C
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Endergonic reactions convert molecules with ____ free energy to molecules with ____ free energy, so they require a net energy input in order to proceed
a. higher; lower b. lower; higher c. zero; some d. some; zero e. chemical bond; no chemical bond
The urine of marine mammals is ____ when compared to ____
a. hypoosmotic; seawater b. hypoosmotic; their body fluids c. hyperosmotic; seawater d. isoosmotic; their body fluids e. isoosmotic; seawater
What is the genotype of “B”?
a. aa b. Aa c. AA d. either aa or Aa e. either Aa or AA
The primary function of the mitochondrion is the production of ATP. To carry out this function, the mitochondrion must have all of the following except
A) the membrane-bound electron transport chain carrier molecules. B) proton pumps embedded in the inner mitochondrial membrane. C) enzymes for glycolysis. D) enzymes for the citric acid cycle. E) mitochondrial ATP synthase.