AP Biology Photosynthesis Flashcard

Front

What is the product produced by the splitting of water during the light-dependent reactions of photosynthesis?

Back

Oxygen is produced by the splitting of water during the light-dependent reactions.

Front

What is the primary function of the Calvin cycle in green plants?

Back

The primary function of the Calvin cycle is to construct simple sugars from carbon dioxide.

Front

What color of light do green plants reflect?

Back

Green plants reflect green light.

Front

Where does the carbon used to form glucose come from?

Back

The carbon used to form glucose comes from CO2 in the air.

Front

Where do the dark reactions (Calvin cycle) take place?

Back

The dark reactions (Calvin cycle) take place in the stroma.

Front

What are light-dependent reactions?

Back

Light-dependent reactions are the first stage of photosynthesis where sunlight is converted into chemical energy in the form of ATP and NADPH.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is a pigment that absorbs light energy, primarily in the blue and red wavelengths, and reflects green light.

Front

What is the overall equation for photosynthesis?

Back

The overall equation for photosynthesis is 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.

Front

What is the significance of NADPH in photosynthesis?

Back

NADPH is a reducing agent that provides the electrons needed for the reduction of carbon dioxide in the Calvin cycle.

Front

What is the difference between light-dependent and light-independent reactions?

Back

Light-dependent reactions require light to produce ATP and NADPH, while light-independent reactions (Calvin cycle) use ATP and NADPH to synthesize glucose.