The two light reactions,when absorbing light,drive the flow of electrons against an electrochemical gradient from
- A$-1.1 \ V$ to $+0.8 \ V$
- B$+0.8 \ V$ to $-0.3 \ V$
- C$+2.0 \ V$ to $+5.2 \ V$
- D$-0.5 \ V$ to $+25 \ V$
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Photosystem-$II$ occurs in
MediumAIPMT 1992
View SolutionPhotosynthetic phosphorylation is
Medium
View SolutionRead the following four statements,$(i), (ii), (iii)$ and $(iv)$ and select the right option having both correct statements.
Statements:
$(i)$ $Z$ scheme of light reaction takes place in the presence of $PSI$ only.
$(ii)$ Only $PSI$ is functional in cyclic photophosphorylation.
$(iii)$ Cyclic photophosphorylation results in the synthesis of $ATP$ and $NADPH_2$.
$(iv)$ Stroma lamellae lack $PSII$ as well as $NADP$ reductase.
Statements:
$(i)$ $Z$ scheme of light reaction takes place in the presence of $PSI$ only.
$(ii)$ Only $PSI$ is functional in cyclic photophosphorylation.
$(iii)$ Cyclic photophosphorylation results in the synthesis of $ATP$ and $NADPH_2$.
$(iv)$ Stroma lamellae lack $PSII$ as well as $NADP$ reductase.
MediumAIPMT 2010
View SolutionWhich of the following conditions are favourable for cyclic photophosphorylation?
Medium
View SolutionWhat is produced during cyclic photophosphorylation?
Easy
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