- 1(current)
Q. No.Synthesis of ATP linked to development of a proton gradient across a membrane is:
1. Mass flow hypothesis
2. Wobble hypothesis
3. Chemiosmotic hypothesis
4. Rivet Popper hypothesis
1. Mass flow hypothesis
2. Wobble hypothesis
3. Chemiosmotic hypothesis
4. Rivet Popper hypothesis
Subtopic: Chemiosmotic hypothesis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following combinations is required for chemiosmosis?
| 1. | Proton pump, electron gradient, NADP synthase. |
| 2. | Membrane, proton pump, proton gradient, ATP synthase. |
| 3. | Membrane, proton pump, proton gradient, NADP synthase |
| 4. | Proton pump, electron gradient, ATP synthase |
Subtopic: Chemiosmotic hypothesis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis?
It involves:
It involves:
| 1. | Reduction of NADP to NADPH2 on the stroma side of the membrane |
| 2. | Breakdown of proton gradient |
| 3. | Breakdown of electron gradient |
| 4. | Movement of protons across the membrane to the stroma |
Subtopic: Chemiosmotic hypothesis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the correct statements regarding chemiosmotic hypothesis:
Choose the correct answer from the options given below:
| (a) | Splitting of the water molecule takes place on the inner side of the membrane. |
| (b) | Protons accumulate within the lumen of the thylakoids. |
| (c). | The primary acceptor of electrons transfers the electrons to an electron carrier. |
| (d) | NADP reductase enzyme is located on the stroma side of the membrane. |
| (e) | Protons increase in number in stroma. |
Choose the correct answer from the options given below:
| 1. | (a), (b) and (e) | 2. | (a), (b) and (d) |
| 3. | (b), (c) and (d) | 4. | (b), (c) and (e) |
Subtopic: Chemiosmotic hypothesis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn chloroplast, the highest number of protons are found in?
1. lumen of thylakoids
2. intermembrane space
3. antennae complex
4. stroma
2. intermembrane space
3. antennae complex
4. stroma
Subtopic: Chemiosmotic hypothesis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Triphosphate (ATP) is formed because:
| 1. | high energy bonds are formed in mitochondrial proteins |
| 2. | ADP is pumped out of the matrix into the inter-membrane space |
| 3. | a proton gradient forms across the inner membrane |
| 4. | there is a change in the permeability of the inner mitochondrial membrane toward Adenosine Diphosphate (ADP) |
Subtopic: Chemiosmotic hypothesis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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