Which of the following would occur if excess sweating led to dehydration and high salt concentration in the bloodstream?
A. The hypothalamus would signal the kidneys to release more salt into the urine.
B. The hypothalamus would signal the kidneys to absorb more salt from the urine.
C. The liver would signal the kidneys to absorb more salt from the urine.
D. The liver would signal the kidneys to release more salt from the urine.
E. None of the answer choices is correct.
A. The hypothalamus would signal the kidneys to release more salt into the urine.
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Which of the following does not contribute to prokaryotic genetic variability?
a. mutation b. binary fission c. gene transfer by conjugation d. gene transfer by transduction e. gene transfer by transformation
The nervous tissue that consists of myelinated axons transmitting information throughout the central nervous system is the
A. white corpuscles. B. gray matter. C. red corpuscles. D. red matter. E. white matter.
Of the following, which cell structure would most likely be visible with a light microscope that has been manufactured to the maximum resolving power possible?
a. mitochondrion b. microtubule c. ribosome d. largest microfilament e. nuclear pore
Refer to Figure 22-1. An important adaptation for all primates resulting from the structure labeled A is:
a. bipedal locomotion.
b. knuckle walking.
c. clinging to branches of trees.
d. increased diversity in the diet.
e. improved social interactions.