Asked in UHS MDCAT 2025 202586% of students get this right

Glycoproteins are formed as a result of the combination of:

Correct answer: B. Carbohydrates and proteins

  • A. Lipids and proteins
  • B. Carbohydrates and proteins
  • C. Nucleic acid and proteins
  • D. Fatty acids and carbohydrates

Explanation

The prefix glyco means sugar, so a glycoprotein is protein joined to a carbohydrate group, and such molecules coat the cell surface where they act in recognition and as receptors. Lipid with protein gives a lipoprotein and nucleic acid with protein a nucleoprotein, both of which are conjugated molecules of other kinds. Reading the prefix identifies the non protein partner every time.

This question appeared on the UHS MDCAT 2025 paper, which you can sit online with every answer explained.

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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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