Proteins: Structure and Functions · NCERT Biology

The protein that enables glucose transport into cells is:

  1. Antibody (IgG)
  2. Collagen (structural)
  3. GLUT-4 (transporter)
  4. Trypsin (protease)
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Correct answer: GLUT-4 (transporter)

GLUT-4 (glucose transporter type 4) is a specific protein carrier that facilitates the movement of glucose across the cell membrane. It is crucial for maintaining blood sugar levels and is regulated by insulin.

Difficulty: Medium Question 7 of 20

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