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Questions and Answers
What is the primary function of thylakoids?
Grana are individual thylakoids.
False
What are photosystems and what role do they play in thylakoids?
Photosystems are clusters of pigment molecules that capture light energy and transfer it to the reaction center.
The membrane channels that connect grana are called ______.
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Match the following structures with their functions:
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Which of the following is provided by thylakoids for the Calvin cycle?
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Study Notes
Thylakoids
- Flattened, fluid-filled sacs within chloroplasts
- Suspended in the stroma, the fluid-filled space inside chloroplasts
- Site of the light-dependent reactions of photosynthesis
Grana
- Stacks of thylakoids
Stroma lamellae
- Membranous channels that connect grana
Photosystems
- Located in the thylakoid membranes
- Clusters of pigment molecules that capture light energy and transfer it to the reaction center
Thylakoid Membrane
- Location of the light-dependent reactions of photosynthesis
- Includes electron transport and ATP synthesis
Chlorophyll
- Pigment found in the thylakoid membrane
- Absorbs light energy to initiate photosynthesis
Thylakoid Lumen
- Interior space of a thylakoid
Calvin Cycle
- Thylakoids provide ATP and NADPH, which are used in the Calvin cycle to convert carbon dioxide into glucose
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Description
Explore the essential components of photosynthesis, including thylakoids, grana, and the light-dependent reactions. This quiz covers the roles of chlorophyll, photosystems, and the Calvin cycle in converting light energy into chemical energy. Test your understanding of how these structures function together in chloroplasts.
