The cells of which muscle type are connected by gap junctions?
a. skeletal muscle only
b. cardiac muscle only
c. smooth muscle only
d. both cardiac and skeletal muscle
e. both cardiac and smooth muscle
ANSWER: e
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In the Urea Agar, the agar turns pink when
A. The pH is increased B. The pH is irrelevant C. The pH is decreased D. The pH did not change
A human example of stabilizing selection is ________.
What will be an ideal response?
Allergies are acquired following:
A) most bacterial infections. B) initial exposure to an allergen. C) indirect exposure to an allergen. D) repeated exposure to an allergen.