Which organism provides a good example of sexual dimorphism?
a. Sage grouse
b. Hangingfly
c. Sparrows
d. Fruit flies
e. Fiddler crabs
e
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Saturation can be defined as
A) denaturation of an enzyme. B) the inability to increase reaction velocity beyond a finite upper limit. C) inhibition of enzyme function by blocking the active site. D) the substrate concentration at which velocity reaches one-half maximum velocity. E) a characteristic of all uncatalyzed reactions.
Which is a disadvantage of an exoskeleton?
a. It must be shed (and a new one made) for its owner to grow. b. It does not provide as efficient a muscle anchorage as an endoskeleton. c. It allows for excess water loss. d. It is not flexible enough to allow a full range of movement. e. It is not able to absorb pigments for sufficient camouflage.
A motor neuron's and reside in the central nervous system, but its extend(s) into the peripheral nervous system.
A. cell body; dendrites; axon B. axon; cell body; trigger zone C. dendrites; axon; cell body D. axon; cell body; dendrites E. None of the answer choices is correct.
Secretes the hormones FSH and LH, which control ovulation
(A) testis (B) Lining of small intestine (C) Anterior pituitary (D) thyroid (E) pancreas