Photosynthesis (Calvin Cycle)

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose, using carbon dioxide and water.

Front

What is the Calvin Cycle?

Back

The Calvin Cycle is a series of biochemical reactions that take place in the stroma of chloroplasts in photosynthetic organisms, where carbon dioxide is fixed into glucose using ATP and NADPH.

Front

What role do stomata play in photosynthesis?

Back

Stomata are small openings on the surface of leaves that allow for gas exchange; they enable the intake of carbon dioxide and the release of oxygen.

Front

Why do plants close their stomata in hot temperatures?

Back

Plants close their stomata to prevent water loss during hot temperatures.

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What are the main products of the Calvin Cycle?

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The main products of the Calvin Cycle are glucose (G3P) and the regeneration of ribulose bisphosphate (RuBP).

Front

What is the function of chlorophyll in photosynthesis?

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Chlorophyll is a pigment that absorbs sunlight, providing the energy needed for photosynthesis.

Front

What are NADPH and ATP?

Back

NADPH and ATP are energy carriers produced in the light-dependent reactions of photosynthesis, used in the Calvin Cycle to convert carbon dioxide into glucose.

Front

What happens to NADPH and ATP after they are used in the Calvin Cycle?

Back

After being used in the Calvin Cycle, NADPH and ATP recycle back to the light reactions.

Front

Which molecule is not needed for the Calvin Cycle?

Back

Water (H2O) is not directly needed for the Calvin Cycle.

Front

What is the significance of G3P in photosynthesis?

Back

G3P (glyceraldehyde-3-phosphate) is a three-carbon sugar produced in the Calvin Cycle that can be used to form glucose and other carbohydrates.