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BIO 121 Unit 3 Exam Questions and Correct Answers
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  • BIO 121

What process is most directly driven by light energy? Removal of electrons from chlorophyll molecules True or False: plants require no more than energy and a carbon source to make their food False Which color has the greatest energy? Blue A pigment absorbs a photon only if the energy of the phot...

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  • August 13, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 121 unit 3 exam questions and correct answers
  • true or false plants require no more than energy
  • what process is most directly driven by light ener

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  • BIO 121

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BIO 121 Unit 3 Exam Questions and
Correct Answers
What process is most directly driven by light energy? ✅Removal of electrons from
chlorophyll molecules

True or False: plants require no more than energy and a carbon source to make their
food ✅False

Which color has the greatest energy? ✅Blue

A pigment absorbs a photon only if the energy of the photon is... ✅exactly enough to
boost an electron of the pigment to a higher energy level

During the first phase of the Calvin Cycle, carbon dioxide is incorporated into RuBP by
✅Rubisco

What occurs in the light-dependent reactions of photosynthesis? ✅Oxygen is released
ATP is produced
Water is broken down
NADP+ is reduced

Where does the oxygen released in photosynthesis come from? ✅Water

What are the products of the light-dependent reactions that are used in the light-
independent reactions? ✅NADPH
Protons
Electrons
ATP

The aerobic respiration process ends in what area of the eukaryotic cell?
✅Mitochondria

The breakdown of glucose produces the most ATP in which metabolic process?
✅Aerobic respiration

What happens when molecules are broken apart in respiration? ✅The energy released
in respiration is channeled into molecules of ATP

What does glycolysis depend on the continuous supply of? ✅glucose
NAD+

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