Endoplasmic Reticulum MCQ

Test your knowledge with important Endoplasmic Reticulum MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Endoplasmic Reticulum MCQs at Bissoy

• Name the coated vesicle which is used to transfer protein from plasma membrane to endosome?
  ক

  Clathrin

  খ

  COP I

  গ

  COP II

  ঘ

  COP III
• Which of the following coated vesicle transport protein from ER to Golgi?
  ক

  Clathrin

  খ

  COP II

  গ

  COP I

  ঘ

  COP III
• Name the sequence which allows the resident protein to retain in ER lumen?
  ক

  KDEL

  খ

  KKXX

  গ

  KLDE

  ঘ

  KXXK
• Name the site where detoxification of xenobiotic compounds takes place?
  ক

  Cytosol

  খ

  RER

  গ

  SER

  ঘ

  Ribosome
• Which of the following is not the function of Glycosylation?
  ক

  Helps in proper folding of the protein

  খ

  Confer stability in proteins

  গ

  Helps in cell-cell adhesion

  ঘ

  Synthesis of membrane lipid
• Name the antibiotic which inhibits the synthesis of oligosaccharides?
  ক

  Tunicamycin

  খ

  Cephalosporins

  গ

  Penicillins

  ঘ

  Ofloxacin
• Endoplasmic reticulum membrane which is associated with ribosomes is called_______
  ক

  ER lumen

  খ

  Smooth endoplasmic reticulum

  গ

  Rough endoplasmic reticulum

  ঘ

  Endosome
• What is microsome?
  ক

  Compartment of Golgi

  খ

  Smaller ribosomes

  গ

  Small ER compartments

  ঘ

  Small vesicles of fragmented ER
• Protein undergoes modifications in ER before reaching their final destination.
  ক

  True

  খ

  False
• Which of the following is the largest single membrane-bound intracellular compartment?
  ক

  Ribosome

  খ

  Golgi apparatus

  গ

  Nucleus

  ঘ

  Endoplasmic reticulum
• Glycolipids are synthesized in the ER and ____________
  ক

  Nucleus

  খ

  Golgi complex

  গ

  Mitochondrion

  ঘ

  Plasma membrane
• Hydrophobic transmembrane segments of which proteins are not synthesized in the endoplasmic reticulum?
  ক

  integral membrane proteins

  খ

  lysosomal proteins

  গ

  steroids

  ঘ

  secretory proteins
• The cysteine residues present in the reduced form in peptides that enter the endoplasmic reticulum lumen are converted into ____________ when they leave the compartment.
  ক

  hydrolyzed bonds

  খ

  hydrophobic bonds

  গ

  disulfide bonds

  ঘ

  hydrophilic bonds
• Which of the following enzyme present in the rough endoplasmic reticulum removes the signal sequence from nascent polypeptides?
  ক

  signal oxidase

  খ

  signal peptidase

  গ

  olisaccharyltransferase

  ঘ

  luciferase
• Translocon is a ____________
  ক

  polypeptide

  খ

  protein channel

  গ

  receptor

  ঘ

  recognition particle
• In mammalian cells, the signal recognition particle (SRP) consists of ____ distinct polypeptides and one small RNA molecule.
  ক

  2

  খ

  4

  গ

  6

  ঘ

  8
• In yeast cells, protein transport across the endoplasmic reticulum membrane occurs __________
  ক

  perpendicularly

  খ

  discontinuously

  গ

  co-translationally

  ঘ

  post-translationally
• In the image below, endoplasmic reticulum is depicted by ________
  ক

  a

  খ

  b

  গ

  c

  ঘ

  d
• The signal sequence that determines whether a protein will be synthesized on a free ribosome or ribosome attached to endoplasmic reticulum is located at _______
  ক

  N-terminal

  খ

  C-terminal

  গ

  hydrophobic tail

  ঘ

  hydrophilic tail
• Sarcoplasmic reticulum is found in ________________
  ক

  liver cells

  খ

  kidney cells

  গ

  muscle cells

  ঘ

  neurons
• Which enzymes are responsible for detoxification of organic compounds carried out by the smooth endoplasmic reticulum?
  ক

  Dehydrogenases

  খ

  Oxygenases

  গ

  Nucleases

  ঘ

  Ribonucleases
• Detoxification of organic compounds like barbiturates and ethanol in the liver is carried out by ________________
  ক

  smooth endoplasmic reticulum

  খ

  sarcoplasmic reticulum

  গ

  rough endoplasmic reticulum

  ঘ

  nucleus
• All the cells contain the same ratio of rough and smooth endoplasmic reticulum.
  ক

  True

  খ

  False
• Which of the following biomolecules are not synthesized by the endoplasmic reticulum?
  ক

  Proteins

  খ

  Lipids

  গ

  Nucleic acids

  ঘ

  Cholesterol
• The membranes of rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER) are continuous.
  ক

  True

  খ

  False