Question: In which phase of photosynthesis is ATP synthesized?
Options:
Light-dependent reactions
Calvin cycle
Both A and B
None of the above
Correct Answer: Light-dependent reactions
Solution:
ATP is synthesized during the light-dependent reactions of photosynthesis.
In which phase of photosynthesis is ATP synthesized?
Practice Questions
Q1
In which phase of photosynthesis is ATP synthesized?
Light-dependent reactions
Calvin cycle
Both A and B
None of the above
Questions & Step-by-Step Solutions
In which phase of photosynthesis is ATP synthesized?
Correct Answer: Light-dependent reactions
Step 1: Understand that photosynthesis has two main phases: light-dependent reactions and light-independent reactions (Calvin cycle).
Step 2: Know that light-dependent reactions occur in the thylakoid membranes of chloroplasts.
Step 3: Recognize that during light-dependent reactions, sunlight is absorbed by chlorophyll.
Step 4: Learn that this energy is used to split water molecules, releasing oxygen and creating energy-rich molecules.
Step 5: Identify that ATP (adenosine triphosphate) is one of these energy-rich molecules produced during the light-dependent reactions.
Photosynthesis Phases – Photosynthesis consists of two main phases: light-dependent reactions and light-independent reactions (Calvin cycle). ATP synthesis occurs in the light-dependent reactions.
Light-Dependent Reactions – These reactions occur in the thylakoid membranes of chloroplasts and involve the conversion of light energy into chemical energy, producing ATP and NADPH.
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