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 Multiple Choice QuestionsMultiple Choice Questions

401.

Fibrous protein are not present in

  • myosin

  • albumins

  • collagen

  • fibroin


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402.

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.


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403.

Which of the following contains thymine?

  • m-RNA

  • r-RNA

  • t-RNA

  • None of the above


404.

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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405.

Which of the following is not present in DNA?

  • Adenine

  • Guanine

  • Uracil

  • Thymine


406.

Which of the following is not basic amino acid?

  • Leucine

  • Lysine

  • Arginine

  • Histidine


407.

Which of the following is involved in formation of heme?

  • Lysine

  • Glycine

  • Tryosine

  • Arginine


408.

The human body does not produce

  • enzyme

  • DNA

  • vitamins

  • hormones


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409.

HOH/ H+ Glucose + fructose

HOH/ H+ Glucose + glucose

HOH/ H+ Glucose + Galactose

The disaacharides A, B and C respectively are

  • lactose, sucrose and maltose

  • sucrose, maltose and lactose

  • sucrose, lactose and maltose

  • maltose, sucrose and lactose


410.

The coiled form of a fibrous protein is known as

  • α- and β- form

  • β- form

  • globular protein

  • α-form


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