Photochrome is the pigment responsible for
a. thigmotropism.
b. phototropism.
c. gravitropism
d. photoperiodism.
e. senescence
D
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Glycolysis, pyruvate oxidation, and the citric acid cycle all produce ____
a. CO2 b. H2O c. ATP d. FADH2 e. NADH
One characteristic of class Bivalvia is that they:a
are active swimmers. b. use a radula to feed on algae. c. possess two shells with a hinge. d. use their mantle for locomotion. e. possess shells of overlapping plates
Conformational changes within a protein molecule are NOT seen in the following function:
A) muscular contraction B) binding of calcium to myosin C) opening or closing of a membrane channel D) interactions between GroEL and GroED E) binding of a substrate to an enzyme
The role of the glycocalyx in eukaryotic cells may include
A) tissue development and transport processes. B) transport processes. C) protection against mechanical and osmotic stress. D) protection against mechanical and osmotic stress, tissue development, and transport processes. E) tissue development.