The number of the internal compartments of mitochondria is:
Correct answer: B. Two
- A. One
- B. Two
- C. Five
- D. Six
Explanation
Mitochondria, the powerhouse of the cell, can be divided into two major compartments: inter-membrane space and matrix. The inter-membranal space is enclosed within the outer and inner membranes and plays an important role in the electron transport chain step of respiration. The matrix, on the other hand, is a viscous gel-like fluid present in the center of mitochondria. It is the site of the citric/ tricarboxylic acid (TCA) cycle.
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About Cell Structure and Function
Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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