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Which of these statements is incorrect ?
  • a)
    Enzymes of TCA cycle are pres ent inmitochondrial matrix.
  • b)
    Glycolysis occurs in cytosol.
  • c)
    Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms.
  • d)
    Oxidative phosphorylation takes place in outer mitochondrial membrane.
Correct answer is option 'D'. Can you explain this answer?
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Which of these statements is incorrect ?a)Enzymes of TCA cycle are pre...
Oxidative phosphorylation means synthesis of ATP molecules with the help of energy liberated during oxidation of reduced coenzymes produced in respiration. for this ATP synthase is used which is on head piece/F1 which is inner to outer mitochondrial membrane.so the given statement is incorrect.it should be inner mitochondrial membrane.
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Community Answer
Which of these statements is incorrect ?a)Enzymes of TCA cycle are pre...
Incorrect Statement: Oxidative phosphorylation takes place in the outer mitochondrial membrane.

Explanation:
Introduction to Oxidative Phosphorylation:
Oxidative phosphorylation is the process by which ATP (adenosine triphosphate) is synthesized using energy derived from the electron transport chain (ETC) located in the inner mitochondrial membrane. It is the final step of cellular respiration and occurs in eukaryotic cells.

The Location of Oxidative Phosphorylation:
Oxidative phosphorylation takes place in the inner mitochondrial membrane, not the outer mitochondrial membrane. The inner mitochondrial membrane is highly folded into structures called cristae, which increases the surface area available for the ETC and ATP synthesis.

The Role of the Outer Mitochondrial Membrane:
The outer mitochondrial membrane separates the mitochondrion from the cytosol and acts as a selective barrier, controlling the passage of molecules in and out of the mitochondrion. It contains porin proteins that allow the passage of small molecules (<5000 da)="" freely.="" the="" outer="" mitochondrial="" membrane="" serves="" as="" a="" protective="" barrier="" for="" the="" inner="" mitochondrial="" membrane="" and="" other="" mitochondrial="">

The Role of the Inner Mitochondrial Membrane:
The inner mitochondrial membrane is the site of oxidative phosphorylation. It contains the complexes of the electron transport chain, including complex I (NADH dehydrogenase), complex II (succinate dehydrogenase), complex III (cytochrome bc1 complex), complex IV (cytochrome c oxidase), and ATP synthase (complex V). These complexes work together to transfer electrons from electron donors (NADH, FADH2) to electron acceptors (oxygen) and generate a proton gradient across the inner mitochondrial membrane.

Conclusion:
The statement that oxidative phosphorylation takes place in the outer mitochondrial membrane is incorrect. Oxidative phosphorylation occurs in the inner mitochondrial membrane, where the electron transport chain complexes are located. The outer mitochondrial membrane primarily acts as a protective barrier and regulates the passage of molecules in and out of the mitochondrion.
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Read the passage given below and answer the following questions:Adenosine triphosphate (ATP) is the energy carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes. ATP is a nucleotide that consists of three main structures: the nitrogenous base, adenine; the sugar, ribose; and a chain of three phosphate groups bound to ribose. The phosphate tail of ATP is the actual power source which the cell taps. Available energy is contained in the bonds between the phosphates and is released when they are broken, which occurs through the addition of a water molecule (a process called hydrolysis). Usually only the outer phosphate is removed from ATP to yield energy; when this occurs ATP is converted to adenosine diphosphate (ADP), the form of the nucleotide having only two phosphates.The importance of ATP (adenosine triphosphat e) as the main source of chemical energy in living matter and its involvement in cellular processes has long been recognized. The primary mechanism whereby higher organisms, including humans, generate ATP is through mitochondrial oxidative phosphorylation. For the majority of organs, the main metabolic fuel is glucose, which in the presence of oxygen undergoes complete combustion to CO2 and H2O: C6H12O6 + 6O2 → 6O2 + 6H2O + energyThe free energy (ΔG) liberated in this exergonic (ΔG is negative) reaction is partially trapped as ATP in two consecutive processes: glycolysis (cytosol) and oxidative phosphorylation (mitochondri

Read the passage given below and answer the following questions:Adenosine triphosphate (ATP) is the energy carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes. ATP is a nucleotide that consists of three main structures: the nitrogenous base, adenine; the sugar, ribose; and a chain of three phosphate groups bound to ribose. The phosphate tail of ATP is the actual power source which the cell taps. Available energy is contained in the bonds between the phosphates and is released when they are broken, which occurs through the addition of a water molecule (a process called hydrolysis). Usually only the outer phosphate is removed from ATP to yield energy; when this occurs ATP is converted to adenosine diphosphate (ADP), the form of the nucleotide having only two phosphates.The importance of ATP (adenosine triphosphat e) as the main source of chemical energy in living matter and its involvement in cellular processes has long been recognized. The primary mechanism whereby higher organisms, including humans, generate ATP is through mitochondrial oxidative phosphorylation. For the majority of organs, the main metabolic fuel is glucose, which in the presence of oxygen undergoes complete combustion to CO2 and H2O: C6H12O6 + 6O2 → 6O2 + 6H2O + energyThe free energy (ΔG) liberated in this exergonic (ΔG is negative) reaction is partially trapped as ATP in two consecutive processes: glycolysis (cytosol) and oxidative phosphorylation (mitochondri

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Which of these statements is incorrect ?a)Enzymes of TCA cycle are pres ent inmitochondrial matrix.b)Glycolysis occurs in cytosol.c)Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms.d)Oxidative phosphorylation takes place in outer mitochondrial membrane.Correct answer is option 'D'. Can you explain this answer?
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Which of these statements is incorrect ?a)Enzymes of TCA cycle are pres ent inmitochondrial matrix.b)Glycolysis occurs in cytosol.c)Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms.d)Oxidative phosphorylation takes place in outer mitochondrial membrane.Correct answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of these statements is incorrect ?a)Enzymes of TCA cycle are pres ent inmitochondrial matrix.b)Glycolysis occurs in cytosol.c)Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms.d)Oxidative phosphorylation takes place in outer mitochondrial membrane.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of these statements is incorrect ?a)Enzymes of TCA cycle are pres ent inmitochondrial matrix.b)Glycolysis occurs in cytosol.c)Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms.d)Oxidative phosphorylation takes place in outer mitochondrial membrane.Correct answer is option 'D'. Can you explain this answer?.
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