Multiple choice

Basement membrane consists of all, except

  1. laminin

  2. nidogenin

  3. entactin

  4. rhodopsin
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The basement membrane is composed of laminin, nidogen/entactin, heparan sulfate proteoglycans, and Type IV collagen. These components form the structural and functional barrier between epithelial cells and underlying connective tissue. Rhodopsin is a light-sensitive pigment found exclusively in retinal photoreceptor cells for vision, completely unrelated to basement membrane structure.

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