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

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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

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

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

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

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

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

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

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

Answer: Milk

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