Multiple choice

Mitochondria are energy-converting organelles, which are present in virtually all eukaryotic cells. These are also called semi-autonomous organelles because of the presence of mitochondrial DNA genome, special mitochondrial ribosomes, tRNAs and various enzymes required for the expression of the mitochondrial genes.

Which of the following characteristics is/are true for mitochondria?

  1. Double membrane bound organelle

  2. Inner membrane contains specialised structures called cristae.

  3. Outer membrane contains no transport proteins.

  4. Only 1 and 2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mitochondria are double membrane bound organelles. It has an outer membrane, an inner membrane and an inter-membrane space. The inner membrane is highly convoluted, forming folds called cristae.

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