Which molecule contains peptide bonds?
Correct answer: C. Collagen
- A. ATP
- B. DNA
- C. Collagen
- D. Maltose
Explanation
Peptide bonds are a defining feature of proteins, linking amino acids in a chain. Collagen, being a structural protein, contains many peptide bonds, making it the correct answer.ATP is involved in energy transfer and contains phosphate bonds, not peptide bonds. DNA is composed of nucleotides held together by phosphodiester bonds, not peptide bonds. Maltose is a sugar, consisting of glucose units linked by glycosidic bonds, not peptide bonds.
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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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