The basic structure of the plasma membrane is provided by:
Correct answer: D. Phospholipids
- A. Proteins
- B. Cholesterols
- C. Cytoskeleton
- D. Phospholipids
Explanation
The fundamental structure of the membrane is the phospholipid bilayer, which forms a stable barrier between two aqueous compartments.
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Animal and plant cells share a plasma membrane, cytoplasm, nucleus, ribosomes, mitochondria and endoplasmic reticulum, but plant cells also have a cellulose cell wall, chloroplasts and a large permanent vacuole. Questions cover organelle structure and function, differences between the two cell types, and how membranes control movement of substances.
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