The flow of hydrogen ions out of the thylakoid compartment:
a. provides energy to produce ATP molecules
b. recharges the photosystems
c. converts ATP into ADP
d. causes excitation of chlorophyll molecules
e. generates oxygen molecules
a
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How could you distinguish between a root hair versus a very small root?
A. Root hairs are white, while roots are brown. B. Root hairs are extensions of single cells, while roots are multicellular. C. Root hairs only absorb water, not nutrients like roots. D. Root hairs do not have a cuticle. E. The epidermis of a root hair is thinner than the epidermis of a root.
The period following an action potential during which a neuron cannot be stimulated to generate another action potential is referred to as
A. the resting period. B. the refractory period. C. the critical period. D. the threshold period. E. the inactivation period.
What are exteins and inteins?
What will be an ideal response?
Name one potential direct and one potential indirect benefit that females may receive from a particular mate choice
What will be an ideal response?