AP BIOLOGY

PHOTOSYNTHESIS

LIGHT DEPENDENT REACTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The final products of the light dependent reactions are:
A
ATP and NADPH
B
ADP and NADPH
C
sugar and oxygen
D
water and carbon dioxide
Explanation: 

Detailed explanation-1: -The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle. In another form of the light reactions, called cyclic photophosphorylation, electrons follow a different, circular path and only ATP (no NADPH) is produced.

Detailed explanation-2: -ATP and NADPH produced by the light-dependent reactions of the photosystems are used by the Calvin cycle in the stroma of the chloroplast.

Detailed explanation-3: -The light-dependent reactions convert light energy into chemical energy, producing ATP and NADPH.

Detailed explanation-4: -Explanation: The light dependent reaction converts solar energy to chemical energy, using the photosystem to capture light energy, and ultimately produce ATP and NADPH.

Detailed explanation-5: -How are ATP and NADPH made in the light reactions? Hydrogen ions actively pumped into the thylakoid membrane flow passively through ATP synthase, adding a phosphate to ADP, creating ATP.

There is 1 question to complete.