Free USMLE Exam Braindumps (page: 8)

Page 7 of 101

Which of the following characterizes a Western blot?

  1. Antibody/protein hybridization
  2. DNA/RNA combination
  3. RNA transcription
  4. Polymerase chain reaction

Answer(s): A



Which of the following is the approximate prevalence ratio for cystic fibrosis?

  1. 1: 25,000
  2. 1: 5,000
  3. 1: 2,000
  4. 1: 800

Answer(s): C



Which of the following divisions of cell growth precedes Mitosis in the cell cycle?

  1. G
  2. G
  3. S
  4. G0

Answer(s): A



Down syndrome is directly linked to a genetic abnormality of chromosome?

  1. XXII
  2. XXI
  3. XIIX
  4. XV

Answer(s): B






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