During cyclic photophosphorylation, formation of ATP occurs between which of the following two compounds?
(A) FRS → Ferredoxin
(B) Cytochrome b6 → Cytochrome f
(C) Cytochrome f → Plastocyanin
(D) Plastocyanin → Ionised Chi – a
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Formation of Synaptonemal complex during meiosis occurs at
The correct answer is (B) Zygotene
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Give graphic representation of cyclic photophosphorylation.
Cyclic photophosphorylation: a. Illumination of photosystem-I causes electrons to move continuously out of the reaction center of photosystem-I and back to it. b. The cyclic electron-flow is accompanied by the photophosphorylation of ADP...
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Give graphic representation of noncyclic photophosphorylation.
Non-cyclic photophosphorylation: a. It involves both photosystems- PS-I and PS-II. b. In this case, electron transport chain starts with the release of electrons from PS-II. c. In this chain high energy electrons released...
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Which one of the following is an essential factor for photophosphorylation?
The correct answer is (A) Sunlight
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Cyclic photophosphorylation will NOT take place in the absence of ________ .
The correct answer is (B) chlorophyll-a
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a – Meiosis occurs in two stages b – Even though meiosis has two divisions chromosomal division occurs only once.
A) Both ‘a’ & ‘b’ are true, ‘b’ explains ‘a'
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Sonal while studying ETS had a doubt, why FADH2 yields only 2 ATP’s whereas NADH yields three ATP’s?
1. During ETS, NADH2 and FADH2 undergoes oxidation where they are converted to NAD+ and FAD+ respectively. 2. During this conversion, hydrogen is removed, which latter forms proton and electron. This...
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In glycolysis, dehydration occurs during formation of
The correct answer is (B) 2 – phosphoglycerate
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The adenosine triphosphate (ATP) gain during glycolysis, connecting link and Krebs cycle respectively are _______ .
The correct answer is (A) 8, 6,24
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Steps in non-cyclic photophosphorylation include passage of electrons along
Correct Answer - D Step in non-cyclic photophosphorylation include passage of electrons along `PQ to Cyt b_(6) Cyt fto PC to PS I to FRS to FD`.
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