Asked in PMC Practice Test 22 (2021) 2021Moderate

Which of the statements is not true for compounds like glycoprotein and glycolipids?

Correct answer: D. Both are produced and secreted by endoplasmic reticulum

  • A. They are conjugated molecules of carbohydrates
  • B. Both have role in the extracellular matrix of animals and bacterial cell wall
  • C. They are components of biological membranes.
  • D. Both are produced and secreted by endoplasmic reticulum

Explanation

D is correct because glycoprotein and glycolipids are secreted by golgi apparatus .It also modifies these conjugated molecules.

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About Conjugated Molecules

Conjugated molecules contain a non-protein component attached to a protein portion, giving the molecule properties that a simple protein lacks. The content includes glycoproteins, lipoproteins, phosphoproteins, nucleoproteins, chromoproteins and metalloproteins, with attention to their prosthetic groups and roles in transport, protection, catalysis and cellular structure.

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