AP Biology Photosynthesis (no light)

Front

What is the primary by-product of photosynthesis when water molecules are split?

Back

Oxygen (O2)

Front

What is the role of Photosystem I in photosynthesis?

Back

Receiving electrons from the thylakoid membrane electron transport chain (ETC)

Front

What is NADP+ and its function in photosynthesis?

Back

NADP+ is an electron carrier that accepts electrons during the light reactions.

Front

Where do the electrons lost in Photosystem I come from?

Back

The electrons lost in Photosystem I are supplied by the electrons from Photosystem II.

Front

What are the products of the light reactions of photosynthesis that are used in the Calvin cycle?

Back

ATP and NADPH

Front

What is the process of splitting water molecules in photosynthesis called?

Back

Photolysis

Front

What is the significance of chemiosmosis in photosynthesis?

Back

Chemiosmosis is the process that generates ATP through the movement of protons across the thylakoid membrane.

Front

What is the main purpose of the Calvin cycle?

Back

The Calvin cycle uses ATP and NADPH to convert carbon dioxide (CO2) into glucose.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll absorbs light energy, primarily in the blue and red wavelengths.

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) do not require light and use ATP and NADPH to synthesize glucose.