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Why do we believe chloroplast and mitochondria to be semi-autonomous organelle? - Biology

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Question

Why do we believe chloroplast and mitochondria to be semi-autonomous organelle?

Short Note

Solution

Mitochondria and Chloroplast are semi-autonomous organelles or endosymbionts of cells because they

  1. Possess their own nucleic acid (DNA molecule).
  2. Can form some of the required protein but for most of the proteins, these are dependent on nuclear DNA and cytoplasmic ribosome.
  3. Do not arise de novo.
  4. Have membrane similar to those of bacteria.
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Chapter 13: Photosynthesis in Higher Plants - Exercises [Page 73]

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NCERT Exemplar Biology [English] Class 11
Chapter 13 Photosynthesis in Higher Plants
Exercises | Q 17. | Page 73

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