The compounds which on hydrolysis yield polyhydroxy aldehyde or ketone subunits are:
Correct answer: D. Carbohydrates
- A. Lipids
- B. Proteins
- C. Polynucleotides
- D. Carbohydrates
Explanation
Carbohydrates are polyhydroxy aldehydes or ketones or complex substances which on hydrolysis yield polyhydroxy aldehyde or ketone subunits. Proteins are polymers of amino acids, Lipids are heterogeneous groups of compounds related to fatty acids, while the polynucleotide chain is made up of nucleotides.
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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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