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Questions and Answers
The photoexcited electron is then transferred to PS I’s primary ______ acceptor, creating an electron hole in the P700—
The photoexcited electron is then transferred to PS I’s primary ______ acceptor, creating an electron hole in the P700—
electron
Electrons are passed in a series of ______ reactions from the primary electron acceptor of PS I down a second electron transport chain through the protein ferredoxin (Fd).
Electrons are passed in a series of ______ reactions from the primary electron acceptor of PS I down a second electron transport chain through the protein ferredoxin (Fd).
redox
The enzyme ______ reductase catalyzes the transfer of electrons from Fd to NADP+.
The enzyme ______ reductase catalyzes the transfer of electrons from Fd to NADP+.
NADP+
The concentration of NADPH will help regulate which pathway; ______ or cyclic.
The concentration of NADPH will help regulate which pathway; ______ or cyclic.
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If the chloroplast runs low on ATP for the Calvin cycle, NADPH will begin to ______.
If the chloroplast runs low on ATP for the Calvin cycle, NADPH will begin to ______.
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Under certain conditions, photoactivated electron takes an alternative path called ______ electron flow.
Under certain conditions, photoactivated electron takes an alternative path called ______ electron flow.
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The electron from ______ is transferred to cytochrome complex and plastocyanin.
The electron from ______ is transferred to cytochrome complex and plastocyanin.
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Through ______ PHOTOPHOSPHORYLATION, ATP and NADPH are generated.
Through ______ PHOTOPHOSPHORYLATION, ATP and NADPH are generated.
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The Calvin cycle uses ______ and NADPH to convert CO2 to glucose/sugar.
The Calvin cycle uses ______ and NADPH to convert CO2 to glucose/sugar.
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In the Calvin cycle, ______ is the source of energy.
In the Calvin cycle, ______ is the source of energy.
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In the Calvin cycle, ______ is the reducing agent.
In the Calvin cycle, ______ is the reducing agent.
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The ______ of water is the source of oxygen in the light reaction.
The ______ of water is the source of oxygen in the light reaction.
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The energy is transferred from one pigment to another until it is passed to the pair of ______ a molecules in the reaction-center complex of PSII.
The energy is transferred from one pigment to another until it is passed to the pair of ______ a molecules in the reaction-center complex of PSII.
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The electrons are supplied one by one to the P680+ pair, each electron replacing one transferred to the primary ______ acceptor.
The electrons are supplied one by one to the P680+ pair, each electron replacing one transferred to the primary ______ acceptor.
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The electron transport chain between PS II and PS I is made up of the electron carrier ______ (Pq), a cytochrome complex, and a plastocyanin (Pc).
The electron transport chain between PS II and PS I is made up of the electron carrier ______ (Pq), a cytochrome complex, and a plastocyanin (Pc).
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Each component carries out ______ reactions as electrons flow down the electron transport chain, releasing free energy that is used to pump protons (H+ ) into the thylakoid space.
Each component carries out ______ reactions as electrons flow down the electron transport chain, releasing free energy that is used to pump protons (H+ ) into the thylakoid space.
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The potential energy stored in the proton gradient is used to make ATP in a process called ______.
The potential energy stored in the proton gradient is used to make ATP in a process called ______.
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The electron transport chain between PS II and PS I is made up of the electron carrier plastoquinone (Pq), a ______ complex, and a plastocyanin (Pc).
The electron transport chain between PS II and PS I is made up of the electron carrier plastoquinone (Pq), a ______ complex, and a plastocyanin (Pc).
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