Which of the following cell organelles stores energy in the form of ATP molecules & is also responsible for cellular respiration.?

  1. Lysosomes
  2. Centrosomes
  3. Mitochondria
  4. Ribosomes

Answer (Detailed Solution Below)

Option 3 : Mitochondria
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Detailed Solution

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The correct answer is Mitochondria.  

Explanation:

  • Mitochondria store energy in the form of ATP molecules & also responsible for cellular respiration. 
  • Cell Organelles: 
    • Cell Organelles define as membrane-bound cellular components.
    • These cell organelles are present within the cells and are independent in their functions.
    • They coordinate with their structures & function effectively for the normal functioning of the cell
  • Single membrane-bound organelles:
    • Endoplasmic Reticulum, Lysosome, Vacuole, Golgi Apparatus, are called single membrane-bound organelles.
    • They are present only in a eukaryotic cell
  • Double membrane-bound organelles:
    • Chloroplast & Mitochondria are double membrane-bound organelles.
    • Ther are present only in a eukaryotic cell. 
  • The following table shows various structures of cell organelles with their respective functions. 
    Types of Cell Organelles
    Name Structure Functions
    Ribosomes
    • Non-membrane organelles, embedded within the endoplasmic reticulum.
    • Found floating freely in the cell’s cytoplasm.
    • Involved in the Proteins Synthesis.
    Lysosomes
    • A tiny, single membrane-bound organelle.
    • It is circular-shaped.
    • It's filled with digestive enzymes.
    • Helps in digestion and digests dead damaged cells & removes wastes also.
    • For that reason, it is called “suicidal bags”.
    Mitochondria
    • An oval-shaped, membrane-bound organelle.
    • This cell organelle is known as the “Power House of The Cell”.
    • The main functions of cellular respiration.
    • Storge energy in the form of ATP molecules.
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