The inner membrane of mitochondria form extensive infoldings called _.
Correct answer: A. Cristae
- A. Cristae
- B. Cisternae
- C. Lamella
- D. Bifida
Explanation
The inner membrane of mitochondria is highly specialized and forms numerous infoldings known as cristae. These structures are vital as they increase the surface area of the membrane, allowing for more space for the electron transport chain and ATP synthase, which are key components in the production of ATP. The other options are incorrect: cisternae are associated with the endoplasmic reticulum and Golgi apparatus, lamella refers to a general thin layer or membrane, and bifida pertains to a medical condition unrelated to cell structure.
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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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