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MCQs

Protoplasms And Tissues, Cytoplasmic Membrane Systems, Tissues

Total Questions : 143 | Page 5 of 15 pages
Question 41. All the cells contain the same ratio of rough and smooth endoplasmic reticulum.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 42. Which enzymes are responsible for detoxification of organic compounds carried out by the smooth endoplasmic reticulum?
  1.    Dehydrogenases
  2.    Oxygenases
  3.    Nucleases
  4.    Ribonucleases
 Discuss Question
Answer: Option B. -> Oxygenases
Answer: (b).Oxygenases
Question 43. Sarcoplasmic reticulum is found in ________________
  1.    liver cells
  2.    kidney cells
  3.    muscle cells
  4.    neurons
 Discuss Question
Answer: Option C. -> muscle cells
Answer: (c).muscle cells
Question 44. Detoxification of organic compounds like barbiturates and ethanol in the liver is carried out by ________________
  1.    smooth endoplasmic reticulum
  2.    sarcoplasmic reticulum
  3.    rough endoplasmic reticulum
  4.    nucleus
 Discuss Question
Answer: Option A. -> smooth endoplasmic reticulum
Answer: (a).smooth endoplasmic reticulum
Question 45. The signal sequence that determines whether a protein will be synthesized on a free ribosome or ribosome attached to endoplasmic reticulum is located at _______
  1.    N-terminal
  2.    C-terminal
  3.    hydrophobic tail
  4.    hydrophilic tail
 Discuss Question
Answer: Option A. -> N-terminal
Answer: (a).N-terminal
Question 46. Which protein families do not mechanically support the Golgi complex?
  1.    Keratin
  2.    Actin
  3.    Spectrin
  4.    Ankyrin
 Discuss Question
Answer: Option A. -> Keratin
Answer: (a).Keratin
Question 47. How many models of movement of materials through the Golgi complex exist?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 48. Newly synthesized membrane proteins enter the cis face of the Golgi complex and leave from the trans face.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 49. Which of the following is not completely synthesized in the Golgi complex of a cell?
  1.    Pectins
  2.    Hemicellulose
  3.    N-linked oligosaccharides
  4.    O-linked oligosaccharides
 Discuss Question
Answer: Option C. -> N-linked oligosaccharides
Answer: (c).N-linked oligosaccharides
Question 50. Which of the following is located at the trans end of the Golgi stack?
  1.    ascorbic acid
  2.    methanoic acid
  3.    sialyl-transferase
  4.    dehydrogenase
 Discuss Question
Answer: Option C. -> sialyl-transferase
Answer: (c).sialyl-transferase

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