Structure Analysis MCQ

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

• Electron cryomicroscopy is used mainly for _______________
  ক

  soluble proteins

  খ

  non-soluble proteins

  গ

  carbohydrates

  ঘ

  lipids
• Synchrotrons generate _____________________
  ক

  Peptides

  খ

  X rays

  গ

  Infrared rays

  ঘ

  Carcinogens
• Which was the first protein to have its structure determined using X-ray crystallography?
  ক

  keratin

  খ

  myoglobin

  গ

  immunoglobulin

  ঘ

  globulin
• In X-ray diffraction, the protein crystals are bombarded with ____________
  ক

  UV rays

  খ

  X rays

  গ

  Gamma rays

  ঘ

  Infrared rays
• Which of the following techniques delivers the amino-acid sequence of a peptide?
  ক

  Tandem MS

  খ

  GC-MS

  গ

  LC-MS

  ঘ

  SDS-PAGE
• Electrospray ionization is suited for proteins that are __________________
  ক

  in matrix

  খ

  in glycerol

  গ

  in solution

  ঘ

  of large size
• MALDI is a technique of ______________________
  ক

  ionization

  খ

  fractionation

  গ

  proteolysis

  ঘ

  cell counting
• Which is the main ingredient in the sample preparation of mass spectrometry?
  ক

  papain

  খ

  pepsin

  গ

  vinculin

  ঘ

  trypsin
• In mass-spectrometry, proteins are separated base on their _____________________
  ক

  i-value

  খ

  c-value

  গ

  m/z ratio

  ঘ

  e/m ratio
• For a mass spectrometric analysis, the compounds are converted into ___________________
  ক

  gaseous ions

  খ

  soluble form

  গ

  matrix

  ঘ

  antibody
• Which of the following amino acid absorbs the light of 280 nm?
  ক

  tyrosine

  খ

  cysteine

  গ

  leucine

  ঘ

  valine
• When was the technique of two-dimensional gel electrophoresis developed?
  ক

  1955

  খ

  1965

  গ

  1975

  ঘ

  1985
• In gel electrophoresis, the globular proteins move slower than the fibrous proteins.
  ক

  True

  খ

  False
• Proteins with greater charge density move faster in the PAGE.
  ক

  True

  খ

  False
• Which of the following is used in PAGE to prevent the mixing of the sample with running buffer?
  ক

  ethanol

  খ

  methanol

  গ

  chloroform

  ঘ

  sucrose