Fibrous and Globular Proteins Short Questions & Answers | Fibrous and Globular Proteins Quiz

Questions

41 A mutation has changed an isoleucine residue of a protein to Glutamic acid, which statement best describes its location in a hydrophilic exterior-

A On the surface since it is hydrophilic in nature

B In side the core of the protein since it is hydrophobic in nature

C Any where inside or outside

D Inside the core of protein since it has a polar but uncharged side chain

View Answer

Answer: On the surface since it is hydrophilic in nature

42 Glycine and proline are the most abundant amino acids in the structure of-

A Hemoglobin

B Myoglobin

C Insulin

D Collagen

View Answer

Answer: Collagen

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43 Some proteins contain additional amino acids that arise by modification of an amino acid already present in a peptide, examples include-

A 4 -hydroxy proline

B 5- hydroxy Lysine

C Gamma Amino Butyric Acid

D All of the above

View Answer

Answer: All of the above

44 Choose the incorrect statement out of the followings-

A Only L amino acids are found in the biological system

B Glycine is optical inactive

C Tyrosine is a modified amino acid

D Seleno cysteine is 21 st amino acid

View Answer

Answer: Tyrosine is a modified amino acid

45 Choose a nano peptide out of the followings-

A Oxytocin

B Vasopressin

C Bradykinin

D All of the above

View Answer

Answer: All of the above

46 Which out of the following amino acids carries a net positive charge at the physiological p H ?

A Valine

B Leucine

C Isoleucine

D None of the followings

View Answer

Answer: None of the followings

47 Which out of the following amino acids is a precursor for a mediator of allergies and inflammation?

A Histidine

B Tyrosine

C Phenyl Alanine

D Tryptophan

View Answer

Answer: Histidine

48 Mother of a mal nourished child has been instructed to include a complete protein in diet for her child, which out of the followings proteins should be recommended?

A Pulses

B Wheat

C Soy Protein

D Milk

View Answer

Answer: Milk

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