Biology, asked by purushothamanspurush, 7 days ago

Assertion : Mitochondria and chloroplasts are independent organelles.

Reason : They are formed by division of pre-existing organelles and contain DNA but lack protein synthesizing machinery.


Assertion (A) is true but reason (R) is false.

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is false but reason (R) is true

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Answers

Answered by bhabanidas19
1

Answer:

Here's your answer

Explanation:

Chloroplasts and mitochondria are subcellular bioenergetic organelles with their own genomes and genetic systems. ... The prokaryotic ancestors of chloroplasts and mitochondria were endosymbionts whose genes became copied to the genomes of their cellular hosts.

So, option d is the correct one.

Answered by biki6970
0

Answer:

Hint: Mitochondria and chloroplasts are called semi-autonomous cell organelles as they have their own DNA and ribosomes. Therefore, they can synthesize some of their proteins. For other proteins, they are dependent on the nucleus.

Reason: They are formed by division of preexisting organelles as well as contain DNA but lack protein-synthesizing machinery. ... Hint: Mitochondria and chloroplasts are called semi-autonomous cell organelles as they have their own DNA and ribosomes. Therefore, they can synthesize some of their proteins.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A). (b). (c), Assertion (A) is true but reason (R) is false.

(b). Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A). (c), Assertion (A) is true but reason (R) is false. ... Reason : The rays that seem to emanate from a virtual image do not.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A). (b). (c), Assertion (A) is true but reason (R) is false.

(b). Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A). (c), Assertion (A) is true but reason (R) is false. ... Reason : The rays that seem to emanate from a virtual image do not.

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