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  • The mitochondrial DNA isOption: 1 LinearOption: 2 Semi-circular<div class='qn

The mitochondrial DNA is

Option: 1

Linear


Option: 2

Semi-circular


Option: 3

Circular


Option: 4

None of these


Answers (1)

 

 

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

Semi-autonomous Organelles: Mitochondria (Sing. Mitochondrion)

  • Mitochondria are the 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. 

Mitochondrial DNA
Although the major load of mitochondrial proteins comes from the nuclear DNA, mitochondria contain their own circular DNA that codes for some of the essential proteins. Mitochondria can reproduce through binary fission independently. These features make them semi-autonomous organelles. 
 

 

 

 

 

 

 

 

The internal structure of mitochondria is similar to a prokaryotic cell. The matrix consists of circular DNA and 70S ribosomes.

Posted by

Sumit Saini

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