Given below are two statements. One is labeled Assertion(A) and the other is labeled Reason(R).
Assertion (A): The matrix within the mitochondria contains a single circular DNA molecule, a few RNA molecules, ribosomes (70S), and components required for protein synthesis.
Reason (R): These components within the matrix are essential for the mitochondria to perform semi-autonomous functions and synthesize some of their own proteins, which is critical for their operation.
In light of the above statements, choose the correct answer from the options given below.

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A and R both are true and R is the correct explanation of A

A and R both are true but R is not correct explanation of A

A is true but R is wrong

A and R both are wrong

answer is A.

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Detailed Solution

Each mitochondrion is a double membrane-bound structure with the outer membrane and the inner membrane dividing its lumen distinctly into two aqueous compartments.

The inner compartment is filled with a dense homogeneous substance called the matrix. The matrix also possesses single circular DNA molecule, a few RNA molecules, ribosomes (70S) and the components required for the synthesis of proteins.

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