What is the outermost tissue layer in animals, or the epithelial layer of skin, also called?
A. Epidermis
B. Dermis
C. Hypodermis
D. Glial cell layer
E. Loose layer
Answer: A
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The three physical forms of laboratory media are ________.
A. solid, liquid, and gas B. a streak plate, a pour plate, and a broth C. reducing, transport, and enumeration D. solid, semisolid, and liquid
The minimum level of depolarization required to initiate an action potential in an excitable cell is
called the
a. electrical potential. b. refractory potential. c. membrane potential. d. resting potential. e. threshold potential.
The nucleoside triphosphate molecules in DNA are linked together in the 5'?3' by a(n) ________ bridge
A) phosphate B) covalent C) phosphodiester D) peptide E) phosphatidyl
The rate of alcohol absorption depends on
A. the amount of food in the stomach. B. drugs taken with the alcohol. C. the amount of strenuous physical exercise. D. All of the choices are correct.