After glycolysis, the fate of glucose in the mitochondrial matrix is
1. oxidation
2. reduction
3. oxidative decarboxylation
4. hydrolysis
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Which one is the correct sequence occurring in glycolysis?
1. G-6-P →PEP →3-PGAL →3-PGA
2. G-6-P →3-PGAL → 3-PGA →PEP
3. G-6-P →PEP →3-PGA →3-PGAL
4. G-6-P →3-PGA →3-PGAL →PEP
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The dough kept overnight in warm weather becomes soft and spongy because of
1. Fermentation
2. Cohesion
3. Osmosis
4. Absorption of carbon dioxide from the atmosphere
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
During which stage in the complete oxidation of glucose, is the greatest number of ATP molecules formed from ADP?
1. Glycolysis
2. Krebs cycle
3. Electron transport
4. Conversion of pyruvic acid to acetyl CoA
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Assertion: Catabolism in living organisms is linked to work by a chemical drive shaft – the ATP.
Reason: Exergonic catabolic pathways release energy that can directly be used for physiological functions.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
Assertion: In general, organic molecules that have an abundance of hydrogen are excellent energy fuels for living organisms.
Reason: Bonds in such organic molecules are source of high energy electrons.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
Assertion: NAD+ is the most versatile electron acceptor in cellular respiration and functions in several of redox steps during the breakdown of glucose.
Reason: As an electron acceptor, NAD+ functions as an oxidizing agent during respiration.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
Assertion: The reaction in glycolysis, catalyzed by the enzyme phosphofructokinase, is a key regulatory point and also a rate limiting step.
Reason: The reaction is essentially irreversible.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
Assertion: Arsenate is the uncoupler of glycolysis.
Reason: Arsenate is an inhibitor of phosphoglycerate mutase.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): | Pyruvate decarboxylation or pyruvate oxidation links glycolysis and the Krebs cycle. |
Reason (R): | Krebs cycle occurs in the mitochondria. |
In the light of the above statements choose the correct answer from the options given below:
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |