Which of the following best describes the plasma membrane?
Correct answer: D. Semipermeable
- A. Adhesible
- B. Permeable
- C. Impermeable
- D. Semipermeable
Explanation
The plasma membrane performs several functions but the main and the most important functions are protection of cell cytoplasm to regulate the flow of solutions and material in an out of the cell with certain limitation. These limitations or checkin lowacross the membrane is called differential or selective permeability. Therefore, plasma membrane is called semipermeable membrane.
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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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