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MCQs

Total Questions : 348 | Page 10 of 35 pages
Question 91. How many β-subunits are there in proteasomes?
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer: Option A. -> 2
Answer: (a).2
Question 92. Ubiquitin is a ___________________
  1.    protein
  2.    organelle
  3.    nuclear body
  4.    aggragated complex
 Discuss Question
Answer: Option A. -> protein
Answer: (a).protein
Question 93. A number of ubiquitin molecules must be attached to ensure enzymatic degradation of a polypeptide.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 94. Proteins that terminate in arginine are short-lived.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 95. “Degron” is a __________
  1.    enzyme
  2.    polypeptide
  3.    amino acid sequence
  4.    nucleic acid sequence
 Discuss Question
Answer: Option C. -> amino acid sequence
Answer: (c).amino acid sequence
Question 96. To stop translation process, which of following molecules is added instead of an amino acid to growing chain?
  1.    oxygen
  2.    hydrogen
  3.    water
  4.    nitrogen
 Discuss Question
Answer: Option C. -> water
Answer: (c).water
Question 97. Which of following is a characteristic of albinos?
  1.    lack of pigment
  2.    lack of hearing
  3.    lack of seeing
  4.    lack of movement
 Discuss Question
Answer: Option A. -> lack of pigment
Answer: (a).lack of pigment
Question 98. An average protein of 400 amino acids requires how many nucleotides?
  1.    1200
  2.    2000
  3.    900
  4.    100000
 Discuss Question
Answer: Option A. -> 1200
Answer: (a).1200
Question 99. Where on ribosomes are proteins largely present?
  1.    exterior
  2.    interior
  3.    scattered throughout
  4.    clustered on side
 Discuss Question
Answer: Option A. -> exterior
Answer: (a).exterior
Question 100. Information from mRNA is translated into which of following?
  1.    rRNA
  2.    tRNA
  3.    proteins
  4.    hormones
 Discuss Question
Answer: Option C. -> proteins
Answer: (c).proteins

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