Which of the following have carbohydrates as a prosthetic group?
Correct answer: A. Glycoprotein
- A. Glycoprotein
- B. Chromoprotein
- C. Lipoprotein
- D. Nucleoprotein
Explanation
Glycoproteins are proteins that contain sugars like carbohydrates as a prosthetic group. In most glycoproteins, the linkage is between asparagine and N-acetyl D-glucosamine. Some glycoproteins are immunoglobulins, membrane proteins, and muscle proteins. Lipoproteins are protein complexed with lipids like triglycerides, phospholipids, etc. Nucleoproteins are proteins associated with nucleic acids and chromoproteins are proteins associated with pigments e.g., cytochrome, phytochrome.
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About Biological Molecules
The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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