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MCQs

Total Questions : 301 | Page 25 of 31 pages
Question 241. Peptide bond is a _________
  1.    Covalent bond
  2.    Ionic bond
  3.    Metallic bond
  4.    Hydrogen bond
 Discuss Question
Answer: Option A. -> Covalent bond
Answer: (a).Covalent bond
Question 242. Amino acids required in the human diet and not synthesized by the body are called
  1.    specialized
  2.    trace
  3.    essential
  4.    accessory
 Discuss Question
Answer: Option C. -> essential
Answer: (c).essential
Question 243. What is the product of the catabolic breakdown of Arginine?
  1.    Alpha-ketoglutarate
  2.    Fumarate
  3.    Oxaloacetate
  4.    Succinate
 Discuss Question
Answer: Option A. -> Alpha-ketoglutarate
Answer: (a).Alpha-ketoglutarate
Question 244. Which of the following amino acid contain an imidazolium moiety?
  1.    Alanine
  2.    Valine
  3.    Cysteine
  4.    Histidine
 Discuss Question
Answer: Option D. -> Histidine
Answer: (d).Histidine
Question 245. Molecules that bear charged groups of opposite polarity are known as
  1.    zwitterions
  2.    ambions
  3.    ion conversion
  4.    amphions
 Discuss Question
Answer: Option A. -> zwitterions
Answer: (a).zwitterions
Question 246. The sequence of letters 'WYQN' will represent
  1.    Tryptophan, tyrosine, glutamic acid, asparagine
  2.    Tryptophan, tyrosine, glutamine, asparagine
  3.    Tryptophan, glutamine, tryptophan, asparagine
  4.    Glutamine, tyrosine, tryptophan, aspartic acid
 Discuss Question
Answer: Option B. -> Tryptophan, tyrosine, glutamine, asparagine
Answer: (b).Tryptophan, tyrosine, glutamine, asparagine
Question 247. A tripeptide has _________
  1.    3 amino acids and 1 peptide bond
  2.    3 amino acids and 2 peptide bonds
  3.    3 amino acids and 3 peptide bonds
  4.    3 amino acids and 4 peptide bonds
 Discuss Question
Answer: Option B. -> 3 amino acids and 2 peptide bonds
Answer: (b).3 amino acids and 2 peptide bonds
Question 248. The factor which does not affect pKₐ value of an amino acid is _________
  1.    The loss of charge in the α-carboxyl and α-amino groups
  2.    The interactions with other peptide R groups
  3.    Other environmental factors
  4.    Molecular weight
 Discuss Question
Answer: Option D. -> Molecular weight
Answer: (d).Molecular weight
Question 249. Which of the following is not the classified form of conjugated proteins?
  1.    Lipoproteins
  2.    Glycoproteins
  3.    Metalloproteins
  4.    Complete proteins
 Discuss Question
Answer: Option D. -> Complete proteins
Answer: (d).Complete proteins
Question 250. The average molecular weight of an amino acid residue in a protein is about _________
  1.    128
  2.    118
  3.    110
  4.    120
 Discuss Question
Answer: Option C. -> 110
Answer: (c).110

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