Which statement correctly summarizes the two phases of photosynthesis?

a. The light-dependent reactions occur in the cytosol; the light-independent reactions occur in the stroma.
b. The products of the light-dependent reactions are ATP, NADPH, and O2; the products of the light-independent
reactions are ADP, NADP+, and sugar.
c. The light-dependent reactions occur only during the daylight hours; the light-independent reactions occur only
when it is dark.
d. The light-dependent reactions produce water as a by-product; the light-independent reactions produce carbon
dioxide as a waste product.
e. The products of the light-dependent reactions are ADP, NADP+, and O2; the products of the light-independent
reactions are ATP, NADPH, and sugar.


ANSWER: b

Biology & Microbiology

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