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Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?    (2017)
  • a)
    Ribosome
  • b)
    Chloroplast
  • c)
    Mitochondrion
  • d)
    Lysosome
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following cell organelles is responsible for extracting e...
  • Mitochondria are miniature biochemical factories where food stuffs or respiratory substrates arc completely oxidised to carbon dioxide and water The energy liberated in the process is initially stored in the form of reduced coenzymes and reduced prosthetic groups. The latter soon undergo oxidation and form energy rich ATP.
  • ATP comes out of mitochondria and helps perform various energy-requiring processes of the cell like muscle contraction, nerve impulse conduction, biosynthesis, membrane transport, cell division, movement, etc. Because of the formation of ATP, the mitochondria arc called power houses of the cell.
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Most Upvoted Answer
Which of the following cell organelles is responsible for extracting e...
Mitochondrion - the Powerhouse of the Cell

One of the most important cellular organelles is the mitochondrion. It is known as the powerhouse of the cell because it is responsible for extracting energy from carbohydrates to form ATP (adenosine triphosphate). ATP is the primary source of energy for cellular activities. In this way, mitochondria play a key role in cellular respiration, which is the process by which cells produce ATP from glucose and other organic molecules.

Structure of Mitochondria

Mitochondria are oval-shaped organelles with a double membrane. The outer membrane is smooth, while the inner membrane is folded into numerous cristae. The cristae increase the surface area of the inner membrane, providing more space for the enzymes involved in cellular respiration. The space between the two membranes is called the intermembrane space, while the space inside the inner membrane is called the mitochondrial matrix.

Function of Mitochondria

The mitochondria are involved in several important cellular functions, including:

1. Cellular Respiration: Mitochondria are responsible for the production of ATP through cellular respiration. They use oxygen and organic molecules, such as glucose, to produce ATP.

2. Calcium Homeostasis: Mitochondria are involved in the regulation of calcium levels in the cell. They can store and release calcium ions, which are important for cellular signaling and muscle contraction.

3. Apoptosis: Mitochondria play a role in programmed cell death, or apoptosis. They release proteins that trigger the process of apoptosis, which can be important in removing damaged or infected cells.

Conclusion

In conclusion, the mitochondria are responsible for extracting energy from carbohydrates to form ATP, which is the primary source of energy for cellular activities. They are oval-shaped organelles with a double membrane, and they are involved in several important cellular functions, including cellular respiration, calcium homeostasis, and apoptosis.
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Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP? (2017)a)Ribosomeb)Chloroplastc)Mitochondriond)LysosomeCorrect answer is option 'C'. Can you explain this answer?
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