The membrane of vacuoles is known as__________?
Correct answer: B. Tonoplast
- A. Vacuoloplast
- B. Tonoplast
- C. Tanoplast
- D. All of these
Explanation
The tonoplast is the selectively permeable membrane surrounding a plant-cell vacuole and controls movement of substances into and out of the vacuole. Students may choose a or c because those words resemble membrane names, but neither is the standard biological term.
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About Cytoplasmic Organelles
Cytoplasmic organelles are the specialized structures suspended in cytoplasm, including mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles and centrosomes. Questions compare their structures and functions in animal and plant cells, including chloroplasts and the role of the endomembrane system in transport and secretion.
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