Mitochondria are a major site of energy metabolism in eukaryotic cells. Their st

Question

Mitochondria are a major site of energy metabolism in eukaryotic cells. Their structure is important to their function. This structure is characterized by

A.   two membranes: an outer membrane with many infoldings, and an inner membrane in the middle of the organelle

B.   a single membrane with many infoldings

C.   two membranes: an outer membrane surrounding the organelle and an inner membrane with many infoldings

D.   a central nucleus, and two membranes: an outer and inner membrane

E.   two Duracell D-cell batteries

Explanation / Answer

Answer.

C.   two membranes: an outer membrane surrounding the organelle and an inner membrane with many infoldings

Explanation.

Mitochondria is surrounded by two membranes. Outer membrane for protection and inner membrane has many foldings, which are called as cristae. Electron transport chain of aerobic cellular respiration takes in cristae.

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