Unit 3 Review 11/18

Photosynthesis goal is to

• convert light energy into glucose energy

• use light energy to make oxygen gas

• convert sugar energy into ATP

• convert sugar energy into oxygen gas

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Rubisco is important in which step of photosynthesis

• energizing the electrons in chlorophyll

• carbon fixation when CO2 is connected to RUBP during calvin cycle

• regeneration phase as RUBP is made during calvin cycle

• reduction of the carbon chain during the calvin cycle

If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light reaction?

• NADPH

• ATP

• Water

• Oxygen gas

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The NADP+ is

• oxidized during the light reaction

• reduced during the light reaction

• oxidized during the Calvin cycle

• reduced during the Calvin cycle

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Photosystems are made of

• chloroplasts

• chromosomes

• chlorophyll

• cytoplasm

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NGSS.HS-LS2-5

An increase in CO2 in the air would most likely

• increase photosynthesis

• increase cell respiration

• increase photorespiration

• increase transpiration

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NGSS.HS-LS2-5

What is the primary function of the light reactions of photosynthesis?

• To produce glucose
• To produce NADPH and ATP
• To use ATP
• To produce RuBP

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NGSS.HS-LS1-5

What supplies the electrons that are lost in PS I?

• the electrons from PS II
• water
• glucose
• oxygen

What is the function of NADP+?

• It absorbs light
• It is an electron carrier
• It is a light-reflecting pigment
• It acts as long-term energy storage

Which of the following molecules is not needed for the Calvin Cycle?

• CO₂
• ATP
• NADPH
• H₂O