Which of the following organelles has a single membrane?
Correct answer: B. Spherosomes
- A. Mitochondria
- B. Spherosomes
- C. Nucleus
- D. Cell wall
Explanation
The spherosomes are spherical bodies, about 0.5-1um wide and enclosed by a single unit membrane. They contain granular contents rich in lipids but also have some proteins. They occur in most plant cells but are abundant in the endosperm cells of oil seeds. Spherosomes arise from the endoplasmic reticulum.
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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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