The finger like infoldings, which are formed by inner membrane of mitochondria, are called:
Correct answer: D. Cristae
- A. Ribosomes
- B. Matrix
- C. Porin
- D. Cristae
Explanation
Factual recall; 'Ribosomes' are organelles, that serve as sites of protein synthesis. 'Matrix' refers to the space confined by the inner mitochondrial membrane within the mitochondria. 'Porin' refers to a transport protein that enables the passive diffusion of certain molecules across a membrane. Cristea are finger-like infoldings, which are formed by the inner membrane of the mitochondria.
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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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