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MCQs

Protoplasms And Tissues, Cytoplasmic Membrane Systems, Tissues

Total Questions : 143 | Page 10 of 15 pages
Question 91. Mitochondrial matrix proteins have a target sequence, called presequence located at __________
  1.    N-terminus
  2.    C-terminus
  3.    interstitial site
  4.    center of the sequence
 Discuss Question
Answer: Option A. -> N-terminus
Answer: (a).N-terminus
Question 92. Eough endoplasmic reticulum imports its proteins posttranslationally.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 93. Most of the proteins of mitochondria are synthesized in the ______________
  1.    mitochondrial matrix
  2.    mitochondrial membrane
  3.    cytosol
  4.    medial cisternae
 Discuss Question
Answer: Option C. -> cytosol
Answer: (c).cytosol
Question 94. Mycobacterium tuberculosis inhibits the fusion of its phagosome with _________________ following phagocytosis.
  1.    membrane
  2.    lysosome
  3.    endosome
  4.    chromosome
 Discuss Question
Answer: Option B. -> lysosome
Answer: (b).lysosome
Question 95. For which of the following organelles, the proteins to be imported remain in their native folded state?
  1.    Peroxisomes
  2.    Mitochondrion
  3.    Chloroplast
  4.    Endoplasmic reticulum
 Discuss Question
Answer: Option A. -> Peroxisomes
Answer: (a).Peroxisomes
Question 96. Hsp 70 and Hsp 90 are ____________ involved in the mitochondrial uptake of proteins.
  1.    chaperones
  2.    receptors
  3.    ligands
  4.    glycolipids
 Discuss Question
Answer: Option A. -> chaperones
Answer: (a).chaperones
Question 97. In how many subcompartments of the chloroplasts, can the proteins be delivered?
  1.    2
  2.    4
  3.    6
  4.    8
 Discuss Question
Answer: Option C. -> 6
Answer: (c).6
Question 98. Following its entry into the mitochondrial matrix, the peptide is _______________
  1.    degraded
  2.    converted to phagosome
  3.    folded to its native conformation
  4.    hydrolyzed
 Discuss Question
Answer: Option C. -> folded to its native conformation
Answer: (c).folded to its native conformation
Question 99. ‘Stroma targeting domain’ is located in the ________________
  1.    chloroplast
  2.    mitochondria
  3.    peptide
  4.    transit peptide
 Discuss Question
Answer: Option D. -> transit peptide
Answer: (d).transit peptide
Question 100. Most proteins destined for uptake by the chloroplasts are synthesized with a ________________
  1.    removable C-terminal sequence
  2.    removable N-terminal sequence
  3.    removable hydrophobic tail
  4.    removable hydrophilic tail
 Discuss Question
Answer: Option B. -> removable N-terminal sequence
Answer: (b).removable N-terminal sequence

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