Which division of the nervous system contains motor neurons that serve smooth muscle, cardiac muscle, and glands?
a. afferent
b. somatic
c. sensory
d. sympathetic
e. central
ANSWER: d
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This primate is a Philippine tarsier, which has a tail longer than its body, and a brain about the same size of one of its eyes. Tarsiers have the largest eyes relative to their body size of any mammal, and it uses them to hunt the insects, lizards, and small birds that make up its diet. How is the Philippine tarsier classified?
a. Dermopterans
b. Strepsirrhines
c. Haplorhines
d. Catarrhines
Why were the pea plant genes Mendel selected for his experiments particularly suited for the development of his laws of inheritance?
a. The remaining pea plant genes were subject to Lamarckian inheritance. b. The genes had enough genetic distance that linkage could be effectively ignored. c. The genes Mendel selected were the least susceptible to random mutation. d. Other traits he might have selected would require modern lab equipment to measure.
Which ions are important in maintaining the
membrane potential of the neurons?
a. sodium and chloride b. potassium and calcium c. sodium and potassium d. magnesium and calcium e. none of these
If a water molecule passes through the outer membrane of a chloroplast, how many more membranes will it have to move through to be in the stroma?
A. 1 B. 2 C. 3 D. 4