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Photosynthesis: Light Dependent and Independent Reactions Q2

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Photosynthesis: Light Dependent and Independent Reactions Q2

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Questions and Answers

During which stage of photosynthesis does the linear electron flow or noncyclic flow occur?

Calvin cycle

Light-independent reaction

Light-dependent reaction (correct)

Glucose synthesis

What molecule absorbs light energy and is part of the light-harvesting complex of photosystem II?

Plastoquinone

Photosystem I

Chlorophyll a (correct)

Cytochrome complex

What happens to the oxygen atom produced through the process of photolysis?

It is used in ATP synthesis

It combines with carbon dioxide to form glucose

It becomes part of the thylakoid membrane

It combines with another oxygen atom to form an oxygen molecule (O2) (correct)

What captures the excited electrons and transfers them to the primary electron acceptor during photosynthesis?

Photosystem I (B) Signup and view all the answers

What is the ultimate source of energy for driving the synthesis of ATP and NADPH during photosynthesis?

Light energy (D) Signup and view all the answers

What organelle allows plants to harvest energy from sunlight to carry on photosynthesis?

Chloroplast (D) Signup and view all the answers

Which pigment in the chloroplast absorbs sunlight for photosynthesis?

Chlorophyll (D) Signup and view all the answers

What does ATP stand for and what is its role in photosynthesis?

Adenosine triphosphate; release energy when phosphate bonds are hydrolyzed (A) Signup and view all the answers

Which protein accepts a pair of electrons from the cytochrome complex in the electron transport chain?

Plastocyanin (C) Signup and view all the answers

What is the role of NADPH in the process of photosynthesis?

Temporarily store energized electrons produced during the light reactions (B) Signup and view all the answers