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Which molecule is known as the ‘Energy Currency’ of the cell
Question

Which molecule is known as the ‘Energy Currency’ of the cell

A.

Glucose

B.

ADP

C.

ATP

D.

Pyruvic acid

Correct option is C

Sol: The correct answer is (c) ATP

ATP is known as the "energy currency" of the cell because it stores and provides energy for many cellular processes. It releases energy when its phosphate bonds are broken, which is then used to power various biological functions.

Key Points:

  • ATP stands for Adenosine Triphosphate and is known as the energy currency of the cell.
  • It consists of adenine, ribose sugar, and three phosphate groups.
  • Energy is released when ATP is hydrolyzed into ADP and inorganic phosphate.
  • It is produced in the mitochondria during cellular respiration and in chloroplasts during photosynthesis.
  • ATP provides energy for active transport, muscle contraction, and biomolecule synthesis.
  • It is continuously regenerated from ADP and phosphate and is present in all living organisms, making it essential for life.

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