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BS 161 Exam 3 Exam Prep Questions And Answers ()

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  • BS 161
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  • BS 161

BS 161 Exam 3 Exam Prep Questions And Answers ()

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  • August 25, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BS 161
  • BS 161
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manassehtaliban95
BS 161 Exam 3 Exam Prep Questions And Answers (202472025)
Light → photosynthesis → carbohydrate → cellular respiration → ATP → heat - ✔✔Which of
the following sequences CORRECTLY represents the flow of energy through living systems?


Light → photosynthesis → carbohydrate → cellular respiration → ATP → heat


Light → photosynthesis → carbohydrate → cellular respiration → ATP → water


Water → photosynthesis → carbohydrate → cellular respiration → ATP → water


CO2 → photosynthesis → carbohydrate → cellular respiration → ATP → heat


Water → photosynthesis → carbohydrate → cellular respiration → ATP → CO2


In the thylakoid membranes of the chloroplast - ✔✔Where is the photosynthetic electron
transport chain located in plant cells?


In the inner membrane of the chloroplast


in the thylakoid membranes of the chloroplast


in the outer membrane of the chloroplast


in the stroma of the chloroplast


passed to a reaction center. - ✔✔n a thylakoid membrane, absorbed light energy is passed from
one chlorophyll molecule to another until it is:


both dissipated as heat and released as fluorescence.

,passed to a reaction center.


dissipated as heat.


released as fluorescence.


All these choices are correct.


carbon dioxide; sugar - ✔✔During photosynthesis, _____ is reduced to _____.


sugar; oxygen


carbon dioxide; sugar


oxygen; water


carbon dioxide; oxygen


water; carbon dioxide


carboxylation, reduction, and regeneration - ✔✔Which of the following CORRECTLY lists the
three steps of the Calvin cycle?


reduction of carbon dioxide, reduction of


NADPH, regeneration of RuBP


carboxylation, ATP synthesis, and regeneration


carboxylation, reduction, and regeneration

, oxidation, reduction, and carboxylation


Rubisco incorporates CO2 from the atmosphere into an organic molecule. - ✔✔Which of the
following CORRECTLY describes the role of rubisco in the Calvin cycle?


Rubisco uses ATP to regenerate RUBP.


Rubisco incorporates CO2 from the atmosphere into an organic molecule.


Rubisco uses NADPH to reduce 3-phosphoglycerate to a three-carbon sugar.


None of the other answer options is correct.


3 - ✔✔How many CO2 molecules must enter the Calvin cycle for each molecule of triose
phosphate that can be exported from the chloroplast?


3
6
5
1
12


Reduction - ✔✔Which step of the Calvin cycle would be affected first by a lack of NADPH?


carboxylation
regeneration
All of these choices are correct.
reduction

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