69. The structural feature of the inner mitochondrial membrane in both animal and plant cells that increases the surface area for cellular respiration is the

A. Thylakoid network

B. Cristae foldings

✓

C. Granum assembly

D. Porin matrix

📝 Explanation

Invaginating the inner mitochondrial membrane into cristae creates a large surface area for housing electron transport chain complexes.

📖 Additional Information

Thylakoid network
Cristae foldings
Granum assembly
Porin matrix

Invaginating the inner mitochondrial membrane into cristae creates a large surface area for housing electron transport chain complexes.

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