The most hydrophobic molecule is
A. C2H5COOH
B. C2H6NH2
C. R-NH2
D. C3H7OH
E. C5H10O5
B. C2H6NH2
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The Nernst Equation is: __ = 60 mV log10 ([Xextracellular/Xintracellular]). What should fill in the blank here to complete this equation?
A. the equilibrium potential B. the membrane potential C. the action potential D. resting potential E. refractory potential
Which of the following is associated with mollusks?
a. mantle b. pedicle c. spicule d. pistil
__________ are responsible for absorption and anchoring of a plant, while __________ are involved
in photosynthesis. a. Roots; leaves b. Stems; leaves c. Leaves; reproductive structures d. Reproductive structures; stems e. Roots; pollen
Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The presence of these organelles tells you that the environment ________
A) is isotonic to the protozoan B) is hypotonic to the protozoan C) is hypertonic to the protozoan D) contains a higher concentration of solutes than the protozoan