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The energy currency of the cell in eukaryotes is generated in an organelle that is
- a)involved in endocytosis
- b)a member of cellular membrane system
- c)involved in membrane biogenesis
- d)double membraned
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The energy currency of the cell in eukaryotes is generated in an organ...
Energy currency of cell is ATP that is generated in a double membraned structure called mitochondria. The inner membrane of the mitochondria plays the most prominent role in generating ATP.
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The energy currency of the cell in eukaryotes is generated in an organ...
The Energy Currency of Eukaryotic Cells
In eukaryotic cells, the primary energy currency is ATP (adenosine triphosphate), which is generated in the mitochondria. Let's explore why the correct answer is option 'D', which identifies mitochondria as a double-membraned organelle.
Mitochondria Structure
- Mitochondria are unique because they possess two membranes:
- Outer Membrane: Smooth and permeable to small molecules.
- Inner Membrane: Highly folded into structures called cristae, which increase surface area for ATP production.
Site of ATP Production
- The inner membrane contains the electron transport chain (ETC) and ATP synthase, crucial components of cellular respiration.
- Process of ATP Generation:
- Glycolysis occurs in the cytosol, breaking down glucose into pyruvate.
- Krebs Cycle takes place in the mitochondrial matrix, generating electron carriers.
- Oxidative Phosphorylation occurs across the inner membrane, where the ETC generates a proton gradient used by ATP synthase to produce ATP.
Importance of Double Membrane
- The double membrane structure is vital for compartmentalizing the mitochondrial functions:
- Isolation of Enzymes: Different enzymes and substrates are localized in specific areas, optimizing metabolic processes.
- Proton Gradient Formation: The separation allows for efficient creation of the proton motive force necessary for ATP synthesis.
Conclusion
Thus, the double-membraned nature of mitochondria is integral to their role as the energy powerhouse of eukaryotic cells. This structure supports the necessary biochemical processes that culminate in ATP production, making it the correct answer to the question regarding the energy currency of the cell.
In eukaryotic cells, the primary energy currency is ATP (adenosine triphosphate), which is generated in the mitochondria. Let's explore why the correct answer is option 'D', which identifies mitochondria as a double-membraned organelle.
Mitochondria Structure
- Mitochondria are unique because they possess two membranes:
- Outer Membrane: Smooth and permeable to small molecules.
- Inner Membrane: Highly folded into structures called cristae, which increase surface area for ATP production.
Site of ATP Production
- The inner membrane contains the electron transport chain (ETC) and ATP synthase, crucial components of cellular respiration.
- Process of ATP Generation:
- Glycolysis occurs in the cytosol, breaking down glucose into pyruvate.
- Krebs Cycle takes place in the mitochondrial matrix, generating electron carriers.
- Oxidative Phosphorylation occurs across the inner membrane, where the ETC generates a proton gradient used by ATP synthase to produce ATP.
Importance of Double Membrane
- The double membrane structure is vital for compartmentalizing the mitochondrial functions:
- Isolation of Enzymes: Different enzymes and substrates are localized in specific areas, optimizing metabolic processes.
- Proton Gradient Formation: The separation allows for efficient creation of the proton motive force necessary for ATP synthesis.
Conclusion
Thus, the double-membraned nature of mitochondria is integral to their role as the energy powerhouse of eukaryotic cells. This structure supports the necessary biochemical processes that culminate in ATP production, making it the correct answer to the question regarding the energy currency of the cell.
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