AnswersFL-2000310-Biology 1 Sem 1 - FlexCatalysts

Light Independent Reactions in Photosynthesis Answers

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1
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During reduction, PGA reacts with ATP and NADPH. What does ATP contribute to the reaction?

A
carbon
B
hydrogen ions
C
electrons
D
phosphate group
2
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What is required for both the light-dependent and light-independent reactions to proceed?

A
energy
B
CO2
C
water
D
ATP and NADPH
3

Which compound is produced during regeneration?

A
PGA
B
G3P
C
RuBP
D
rubisco
4

In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen.6CO2 + 6H2O ® C6H12O6 + 6O2Which component could be added to complete this chemical equation?

A
light energy
B
ATP and NADPH
C
chemical energy
D
rubisco
5

Which is an important difference between light-dependent (L-D) and light-independent (L-IND) reactions in photosynthesis?

A
The L-D reactions need CO2 and light energy, and the L-IND reactions needs water and O2.
B
The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH, and CO2.
C
The L-D reactions can only occur during daylight, and the L-IND reactions can only occur during the night.
D
The L-D reactions need water and CO2, and the L-IND reactions need CO2 and light.
6

Which is required for the light-independent reactions in photosynthesis to occur?

A
water
B
sunlight
C
oxygen
D
carbon dioxide
7

Which is the first step in the scientific method?

A
ask a question
B
conduct background research
C
construct a hypothesis
D
perform an experiment
8

Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis?

A
ATP
B
PGA
C
RuBP
D
NADPH
9

What is one role of ATP in the light-independent reaction of photosynthesis?

A
ATP supplies the energy to produce glucose and other carbohydrates.
B
ATP is produced when water molecules are split and chlorophyll electrons are excited.
C
ATP supplies the energy to split water molecules.
D
ATP produces CO2 and O2 molecules.
10

How do ATP and NADPH connect light-dependent and light-independent reactions in photosynthesis?

A
ATP and NADPH are produced in both reactions.
B
ATP and NADPH are used in both reactions.
C
ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions.
D
ATP and NADPH are produced in the light-independent reactions and used in the light-dependent reactions.

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