For each ATP produced, how many H passes through F0 from the intermembrane space to the matrix down the electrochemical proton gradient?
1. 1
2. 2
3. 3
4. 4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf fatty acids were to be respired, they would first be degraded to:
1. Glucose-6 phosphate
2. Pyruvate
3. Acetyl-CoA
4. Alpha ketoglutarate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the absence of oxygen, the primary purpose of fermentation is to:
1. produce amino acids for protein synthesis
2. generate a proton gradient for ATP synthesis
3. oxidize glucose to generate reduce electron carriers
4. regenerate NAD+ from NADH allowing glycolysis to continue
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring glycolysis, when glucose is catabolized to pyruvate, most of the energy of glucose is
1. transferred to ADP, forming ATP.
2. transferred directly to ATP.
3. retained in the pyruvate.
4. stored in the NADH produced.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyATP production during cellular respiration is controlled by allosteric inhibition. The control is the allosteric inhibition by ATP and citric acid of the enzyme that facilitates the formation of:
1. Glucose 6- phosphate from glucose
2. Fructose 1,6- bisphosphate from Fructose 6 - phosphate
3. Acetyl CoA from Pyruvic acid
4. Citric acid from Acetyl CoA and Oxaloacetic acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen proteins are used as respiratory substrates, the respiratory quotient would be about:
1. 1.2
2. 1.0
3. 0.9
4. 0.7
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe mitochondrial electron transport chain is located in:
1. Outer membrane
2. Inner membrane
3. Inter membrane space
4. Matrix
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe useful purpose served by lactate fermentation is:
1. Make lactose available for gluconeogenesis
2. Production of additional ATP in anaerobic conditions
3. Regeneration of NAD+
4. Increased availability of oxygen for the skeletal muscle
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe primary role of oxygen in cellular respiration is to:
1. yield energy in the form of ATP as it is passed down the respiratory chain.
2. act as an acceptor for electrons and hydrogen, forming water
3. combine with carbon, forming CO2.
4. combine with lactate, forming pyruvate.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following processes makes direct use of oxygen?
1. Glycolysis
2. Fermentation
3. Kreb's citric acid cycle
4. Electron transport
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology