Which one of the following structure of protein is the direct consequence of hydrogen bonding:
Correct answer: C. Secondary
- A. Primary
- B. Tertiary
- C. Secondary
- D. Quaternary
Explanation
The secondary structure of a protein is a regular coiling or zigzagging of polypeptide chains caused by hydrogen bonding between NH and C = 0 groups of amino acids near each other in the chains. This secondary structure is seen as α-Helix and β-sheets.
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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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