Multiple Choice QuestionsWhich of the following food-stuffs contains nitrogen?
Carbohydrates
fats
Proteins
None of these
Which of the following is not a biopolyme?
Polysaccharide
Protein
Lipid
Nucleic acid
C.
Lipid
Polysaccharides are neutral polymeric compounds in which monosaccharide units are joined by glycosidic linkages. Proteins are long polymers of amino acids linked by peptide bonds. Nucleic acids are regarded as polynucleotides. These are the polymer of nucleotides.
Lipids are oily, fatty or waxy substances present in living organisms. Chemically, lipids are esters of long chain fatty acids and alcohols.
Which of the following statements is true?
Denaturation of protein changes the primary structure of protein
All proteins act as biocatalyst
C-terminal amino acid in proteins is determined by Edman degradation
The pleated sheet structure of proteins was determined by Pauling
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