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MCQs

Protoplasms And Tissues, Cytoplasmic Membrane Systems, Tissues

Total Questions : 143 | Page 4 of 15 pages
Question 31. Late endosomes are located near the _____________
  1.    membrane
  2.    nucleus
  3.    mitochondria
  4.    peroxisomes
 Discuss Question
Answer: Option B. -> nucleus
Answer: (b).nucleus
Question 32. Where do the materials ingested by endocytosis, reach after travelling through the late endosome?
  1.    nucleus
  2.    lysosome
  3.    mitochondria
  4.    early endosome
 Discuss Question
Answer: Option B. -> lysosome
Answer: (b).lysosome
Question 33. ‘Niemann–Pick type C disease’ is caused due to deficiency of a specific ________________
  1.    protein
  2.    receptor
  3.    ligand
  4.    gene
 Discuss Question
Answer: Option A. -> protein
Answer: (a).protein
Question 34. Transformation from an early to a late endosome is characterized by a decrease in ______________
  1.    mobility
  2.    lipid content
  3.    pH
  4.    protein content
 Discuss Question
Answer: Option C. -> pH
Answer: (c).pH
Question 35. Receptors dissociate from their bound ligands as a result of ________________
  1.    high H⁺ concentration
  2.    low H⁺ concentration
  3.    high Cl¯ concentration
  4.    low Cl¯ concentration
 Discuss Question
Answer: Option A. -> high H⁺ concentration
Answer: (a).high H⁺ concentration
Question 36. Which of the following technique was used to study the function of ribosomes and contrast it with the function of ER membrane?
  1.    Cell-free systems
  2.    Autoradiography
  3.    Spectroscopy
  4.    Microscopy
 Discuss Question
Answer: Option A. -> Cell-free systems
Answer: (a).Cell-free systems
Question 37. RNAi phenomenon inhibits the synthesis of which biomolecules?
  1.    RNA
  2.    DNA
  3.    Proteins
  4.    Carbohydrates
 Discuss Question
Answer: Option C. -> Proteins
Answer: (c).Proteins
Question 38. Which of the following biomolecules are not synthesized by the endoplasmic reticulum?
  1.    Proteins
  2.    Lipids
  3.    Nucleic acids
  4.    Cholesterol
 Discuss Question
Answer: Option C. -> Nucleic acids
Answer: (c).Nucleic acids
Question 39. The membranes of rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER) are continuous.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 40. A mutant organism or cell encodes normal proteins that can be used for studying the endomembrane system.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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