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Cytochrome c is the first electron acceptor in the electron transport chain. Which of the following statements is false about cytochrome c?
- a)It is a fat soluble protein.
- b)Cyt c is located in the periplasmic space in bacteria.
- c)Cyt c transfers electrons between Complex III and Complex IV.
- d)Cytochrome c has no affinity for oxygen.
Correct answer is option 'A'. Can you explain this answer?
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Cytochrome c is the first electron acceptor in the electron transport ...
About Cytochrome c
Cytochrome c is a small protein that plays a crucial role in the electron transport chain (ETC), a series of protein complexes located in the inner mitochondrial membrane or the plasma membrane of bacteria. It acts as an electron carrier, shuttling electrons between complexes in the ETC.
False Statement
The false statement about cytochrome c is option 'A': It is a fat-soluble protein.
Explanation
Cytochrome c is not a fat-soluble protein; instead, it is a water-soluble protein.
Role in the Electron Transport Chain
Cytochrome c is an essential component of the ETC. It accepts electrons from the previous complex in the chain and transfers them to the next complex. This transfer of electrons is crucial for the generation of ATP, the energy currency of the cell.
Location in Bacteria
In bacteria, cytochrome c is located in the periplasmic space. The periplasmic space is the region between the inner and outer membranes of gram-negative bacteria. It is the location where many proteins involved in various cellular processes are found.
Electron Transfer between Complex III and Complex IV
Cytochrome c transfers electrons between Complex III (also known as the cytochrome bc1 complex) and Complex IV (also known as cytochrome c oxidase). Complex III accepts electrons from cytochrome c and transfers them to cytochrome c oxidase, which then transfers the electrons to oxygen, resulting in the formation of water.
Affinity for Oxygen
Cytochrome c does have an affinity for oxygen. In fact, the final step of the ETC involves the transfer of electrons from cytochrome c oxidase to oxygen, which is then reduced to water. This reaction is essential for the production of ATP and the maintenance of cellular respiration.
In summary, cytochrome c is a water-soluble protein that plays a crucial role in the ETC by transferring electrons between complexes III and IV. It is located in the periplasmic space in bacteria and has an affinity for oxygen, which is necessary for the final step of the ETC. Therefore, the false statement is option 'A': It is a fat-soluble protein.
Cytochrome c is a small protein that plays a crucial role in the electron transport chain (ETC), a series of protein complexes located in the inner mitochondrial membrane or the plasma membrane of bacteria. It acts as an electron carrier, shuttling electrons between complexes in the ETC.
False Statement
The false statement about cytochrome c is option 'A': It is a fat-soluble protein.
Explanation
Cytochrome c is not a fat-soluble protein; instead, it is a water-soluble protein.
Role in the Electron Transport Chain
Cytochrome c is an essential component of the ETC. It accepts electrons from the previous complex in the chain and transfers them to the next complex. This transfer of electrons is crucial for the generation of ATP, the energy currency of the cell.
Location in Bacteria
In bacteria, cytochrome c is located in the periplasmic space. The periplasmic space is the region between the inner and outer membranes of gram-negative bacteria. It is the location where many proteins involved in various cellular processes are found.
Electron Transfer between Complex III and Complex IV
Cytochrome c transfers electrons between Complex III (also known as the cytochrome bc1 complex) and Complex IV (also known as cytochrome c oxidase). Complex III accepts electrons from cytochrome c and transfers them to cytochrome c oxidase, which then transfers the electrons to oxygen, resulting in the formation of water.
Affinity for Oxygen
Cytochrome c does have an affinity for oxygen. In fact, the final step of the ETC involves the transfer of electrons from cytochrome c oxidase to oxygen, which is then reduced to water. This reaction is essential for the production of ATP and the maintenance of cellular respiration.
In summary, cytochrome c is a water-soluble protein that plays a crucial role in the ETC by transferring electrons between complexes III and IV. It is located in the periplasmic space in bacteria and has an affinity for oxygen, which is necessary for the final step of the ETC. Therefore, the false statement is option 'A': It is a fat-soluble protein.
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Community Answer
Cytochrome c is the first electron acceptor in the electron transport ...
Cytochrome c is a water soluble protein.
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Cytochrome c is the first electron acceptor in the electron transport chain. Which of the following statements isfalseabout cytochrome c?a)It is a fat soluble protein.b)Cyt c is located in the periplasmic space in bacteria.c)Cyt c transfers electrons between Complex III and Complex IV.d)Cytochrome c has no affinity for oxygen.Correct answer is option 'A'. Can you explain this answer?
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Cytochrome c is the first electron acceptor in the electron transport chain. Which of the following statements isfalseabout cytochrome c?a)It is a fat soluble protein.b)Cyt c is located in the periplasmic space in bacteria.c)Cyt c transfers electrons between Complex III and Complex IV.d)Cytochrome c has no affinity for oxygen.Correct answer is option 'A'. 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 Cytochrome c is the first electron acceptor in the electron transport chain. Which of the following statements isfalseabout cytochrome c?a)It is a fat soluble protein.b)Cyt c is located in the periplasmic space in bacteria.c)Cyt c transfers electrons between Complex III and Complex IV.d)Cytochrome c has no affinity for oxygen.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cytochrome c is the first electron acceptor in the electron transport chain. Which of the following statements isfalseabout cytochrome c?a)It is a fat soluble protein.b)Cyt c is located in the periplasmic space in bacteria.c)Cyt c transfers electrons between Complex III and Complex IV.d)Cytochrome c has no affinity for oxygen.Correct answer is option 'A'. Can you explain this answer?.
Cytochrome c is the first electron acceptor in the electron transport chain. Which of the following statements isfalseabout cytochrome c?a)It is a fat soluble protein.b)Cyt c is located in the periplasmic space in bacteria.c)Cyt c transfers electrons between Complex III and Complex IV.d)Cytochrome c has no affinity for oxygen.Correct answer is option 'A'. 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 Cytochrome c is the first electron acceptor in the electron transport chain. Which of the following statements isfalseabout cytochrome c?a)It is a fat soluble protein.b)Cyt c is located in the periplasmic space in bacteria.c)Cyt c transfers electrons between Complex III and Complex IV.d)Cytochrome c has no affinity for oxygen.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Cytochrome c is the first electron acceptor in the electron transport chain. Which of the following statements isfalseabout cytochrome c?a)It is a fat soluble protein.b)Cyt c is located in the periplasmic space in bacteria.c)Cyt c transfers electrons between Complex III and Complex IV.d)Cytochrome c has no affinity for oxygen.Correct answer is option 'A'. Can you explain this answer?.
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