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  • The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D). Select the part correctly matched with its function:<img src="data:image/png;ba

The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D).

Select the part correctly matched with its function:

Option: 1

Part (D): Outer membrane - gives rise to the inner membrane by splitting.


Option: 2

Part (B): Inner membrane - forms infoldings called cristae.


Option: 3

Part (C): Cristae - possess single circular DNA molecule and ribosome


Option: 4

Part (A): Matrix - major site for respiratory chain enzymes.


Answers (1)

best_answer

 

 

Semi-autonomous Organelles: Mitochondria (Sing. Mitochondrion) -

Semi-autonomous Organelles: Mitochondria (Sing. Mitochondrion)

  • Mitochondria are double membrane-bound cell organelles. 
  • These are present both in plant cell and animal cell. 
  • These are commonly referred to as the powerhouse of the cell because they are responsible for the production of ATPs during aerobic respiration. 
  • Adenosine Triphosphate (ATP) is the main energy-carrying molecule of a cell. ATP represents the short-term stored energy of the cell. 

Structure of the Mitochondria


 

 

The inner membrane is convoluted to form finger-like projections called cristae. These bear oxysomes for ATP synthesis.

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