Energy sources of photosynthesis reactions The energy source for the light reactions is _____; the energy source for the carbon reactions is ______.
a) sunlight, carbon dioxide
b) sunlight, ATP
c) ATP, oxygen
d) Sunlight serves as the energy source for both sets of photosynthetic reactions.
Answer: b) sunlight, ATP
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Receptor-mediated endocytosis brings in specific material by engulfing it in vesicles. What factors, either directly or indirectly, are related to this process? Choose all that apply.
_____ It is a passive process. _____ It helps to increase membrane fluidity by helping to transport cholesterol into the cell. _____ It is an active process. _____ It uses carrier proteins. _____ A clathrin coat is present.
Exoskeletons are used for movement by which of the following animals?
A. insects B. cnidarians C. crustaceans D. humans E. insects and crustaceans
A reagent that stains the stored food of a green alga black is
a. India ink. b. I2KI. c. methylene blue. d. both a and b.
What characteristics allow conifers to dominate cold, dry habitats?
What will be an ideal response?