71st BPSC Prelims (2025), question 142

🔬 Science & Technology

  1. Biological membranes are composed of:

    1. Lipids and proteins in varying species/cell/organelle-specific combinations
    2. Lipids only
    3. Proteins only
    4. None of the above
    Show answer

    Answer: A — Lipids and proteins in varying species/cell/organelle-specific combinations

    Biological membranes are made of lipids and proteins in combinations specific to species, cell type and organelle.

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