Light is needed for photosynthesis, because it
A) brings water into the chloroplast.
B) provides a source of energy for making chemical bonds.
C) directly causes ATP production.
D) provides heat energy, which is converted to chemical energy.
E) catalyzes key reactions.

Question

Quizplus · Accepted Answer

Light provides energy for chlorophyll molecules in plants to undergo a series of chemical reactions, which convert carbon dioxide and water into glucose and oxygen during photosynthesis. This reaction requires energy to form chemical bonds, which is provided by light energy.

Light Is Needed for Photosynthesis, Because It