You are on the beach at Corpus Christi, Texas. High tide falls at noon. When will be the next high tide?
a. 6 pm that evening.
b. 12 hours later, at midnight.
c. 6 am the next morning.
d. noon the next day.
D
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The light-dependent generation of NADPH is referred to as ________.
Fill in the blank(s) with the appropriate word(s).
A noncompetitive inhibitor decreases the rate of an enzyme reaction by _____
A) binding at the active site of the enzyme B) changing the shape of the enzyme's active site C) changing the free energy change of the reaction D) acting as a coenzyme for the reaction
Consider the life of the praying mantis. The large, predatory female lays several hundred eggs in a foam mass in the fall. The young are most vulnerable when they emerge in the spring, but the few that survive spread out over the countryside and, if they find a mate, lay eggs the following fall. Which type of survivorship curve does this represent?
A. type I B. type II C. type III D. maximal exponential growth and minimal use of carrying capacity E. exponential growth followed by a decline from resource depletion
Which one of the following incorrectly matches a molluscan group with a feature characterizing that group?
A. Polyplacophora-eight calcareous plates B. Gastropoda-torsion C. Bivalvia-reduced head and no radula D. Nudibranchs-extensive gills in mantle cavity E. Cephalopoda-closed circulatory system