Which membrane is highly convoluted? a. chloroplast inner membrane b. mitochondrial inner membrane c. the chloroplast outer membrane d. both the mitochondrial and chloroplast inner membranes

The correct answer is option B, that is, mitochondrial inner membrane.

Explanation:

Mitochondria is one of the membrane-bound organelles witnessed in all the living cells. It is also considered as the powerhouse of the cell as it is accountable for offering energy for the life-sustaining procedures of the cells. Mitochondria has an outer membrane and highly convoluted inner membranes. The convoluted part of the organelle offers a huge surface area for the biochemical reactions to take place.

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"a.) well–developed vascular system."