Chemiosmosis requires?
A membrane only (1)
A membrane and a proton pump (1 and 2)
A proton gradient and ATPase (3 and 4)
All of the above (1, 2, 3, and 4)
Related Questions
PS-I in cyclic photophosphorylation is involved in the formation of …A… by …B… movement of electrons What does A and B refer here?
A-ATP; B-down hill redox potential
A-ADP; B-up hill redox potential
A-NADH + ; B-down hill energy
A-NADPH + ; B-down hill energy
Proton gradient is broken down due to
Movement of electrons across the membrane to stroma
Movement of electrons across the membrane to lumen
Movement of proton across the membrane to lumen
Movement of proton across the membrane to stroma
The molecule present in the reaction centre of photosystem is
Chlorophyll-a
Chlorophyll-b
Chlorophyll-c
Chlorophyll-d
Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
Proton gradient
Accumulation of K ions
Accumulation of Na ions
Membrane potential
Photophosphorylation differs from oxidative phosphorylation in requiring input of energy in the from of
Light
Heat
AMP
NAD
If plastoquinone (PQ) is inhibited in a plant cell, which of the following processes would be directly affected in the light-dependent reactions?
Water splitting at the oxygen-evolving complex
Light absorption by Photosystem II
NADP+ reduction
Electron flow from Photosystem II to the cytochrome b6f complex
The process by which ATP is produced in the inner membrane of a mitochondrion, the electron transport system transfers protons from the inner compartment to the outer, as the protons flow back to the inner compartment, the energy of their movement is used to add phosphate to ADP, forming ATP is
Chemiosmosis
Phosphorylation
Glycolysis
Fermentation
Protons produced by the splitting of water in light reaction of photosynthesis accumulates within the reaction of photosynthesis accumulates within the
Lumen of thylakoids
Intermembrane of chloroplast
Stroma of chloroplast
Outside the lumen of thylakoids
I. Cyclic photophosphorylation needs PS-I and PS-II
II. Cyclic photophosphorylation produced NADPH + H^+ and ATP
III. Cyclic photophosphorylation involves
IV. Electrons are recycled in cyclic photophosphorylation
Identify the correct and incorrect statement and select the option accordingly
I, II and III are incorrect, IV in correct
I, II and IV are incorrect, III is correct
I, II and III are incorrect, II in correct
IV, III and Ii are incorrect, I in correct
In the process of photosynthesis, water molecule breaks during
Red drop
Photolysis
Phosphorylation
Carbon assimilation
