Sucrose is converted into glucose and fructose by the enzyme:
1. Maltase
2. Zymase
3. Isomerase
4. Invertase
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe co-factor required for the activity of pyruvate dehydrogenase is:
1. Zinc
2. Magnesium
3. Manganese
4. Copper
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the mitochondrial electron transport system, the term Complex III refers to:
1. NADH dehydrogenase
2. Cytochrome c
3. FADH2
4. Cytochrome bc1 complex
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor 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 & Biology