The mode of action of an antimicrobial agent refers to
A) killing of all microorganisms.
B) inhibition of growth of bacteria.
C) how it exerts its effects upon microorganisms.
D) the broad spectrum of activity of the antimicrobial agent
Ans: C) how it exerts its effects upon microorganisms.
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Which of the following statements about the lateral line system is NOT correct?
A. allows fish to sense objects based on the pressure waves they produce B. allows fish to sense objects based on the low-frequency vibrations they produce C. allows fish to swim in synchrony with a school of other members of its species D. provides the fish with the ability to see images E. allows a blind cave fish to sense the water patterns flowing past its body
The brief reversal of the electric gradient
across a neuron’s plasma membrane is called a(an)
a. action potential. b. resting potential. c. kinetic potential. d. threshold potential. e. energy potential.
Seawater and freshwater mix in which coastal region?
a. hydrothermal vents b. coral reefs c. seamounts d. tidal pools e. estuary
The ATP synthase complex associated with the thylakoid membrane
A) contains a CF1 proton channel and a CFo ATPase complex. B) is identical to the FoF1 complex of mitochondria. C) performs photophosphorylation in oxygenic phototrophs. D) is a soluble enzyme complex peripherally associated with PSI. E) accepts electrons from PSI.