CH 9 Photosynthesis Review

What are the three parts of an ATP molecule?

• adenine, thylakoid, and a phosphate group
• adenine, ribose, and three phosphate groups
• stroma, grana, and chlorophyll
• NADH, NADPH, and FADH2

Which of the following is an autotroph?

• mushroom
• leopard
• gazelle
• tree

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Energy is released from ATP when

• adenine bonds to ribose.
• a phosphate group is added.
• ATP is exposed to sunlight.
• a phosphate group is removed.

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A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C(80.6°F). The gas being collected is probably

• oxygen
• ATP
• carbon dioxide
• vaporized water

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Photosynthesis uses sunlight to convert water and carbon dioxide into

• oxygen
• high energy sugars and starches
• ATP and oxygen
• oxygen and high-energy sugars and starches.

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Plants gather the sun’s energy with light-absorbing molecules called

• pigments
• thylakoids
• chloroplasts
• glucose

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Which region of the visible spectrum is not absorbed well by chlorophyll?

• blue
• green
• violet
• red

A granum is a

• stack of chloroplasts.
• stack of thylakoids.
• photosynthetic pigment molecule.
• membrane enclosing a thylakoid.

Where do the light-dependent reactions take place?

• in the stroma
• in the mitochondria
• only in chlorophyll molecules
• within the thylakoid membranes

Which step is the beginning of photosynthesis?

• Pigments in photosystem I absorb light.
• Pigments in photosystem II absorb light.
• High-energy electrons move through the electron transport chain.
• ATP synthase allows H+ ions to pass through the thylakoid membrane.

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