The diagram depicts the primary structure of a protein. The bonds connecting the individual units are:
Correct answer: B. Peptide bonds
- A. Glycosidic bonds
- B. Peptide bonds
- C. Hydrogen bonds
- D. Disulphide bonds
Explanation
A peptide bond is a covalent chemical bond formed between two amino acid molecules. A chain of amino acids linked by peptide bonds forms the primary structure of a protein.
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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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