MCAT Biological Sciences

The MCAT Biological Sciences section is the last section on the test. It presents a number of 200- to 300-word passages, followed by a series of questions, plus a number of stand-alone questions. You will need to draw on your knowledge of basic biology and organic chemistry.

MCAT Biological Sciences Section at a Glance

  • 52 questions
  • 70 minutes

Skills Tested

    Biology

  • Circulatory system, nervous system
  • Viruses, enzymes
  • Respiratory system, lymphatic system
  • Cell division
  • Muscular and skeletal system

  Organic Chemistry

  • Hydrocarbons, amino acids and proteins
  • Hydrolysis and dehydration
  • Nomenclature
  • Stereochemistry, spectroscopy

Other Sections

MCAT Verbal ReasoningMCAT Writing  |  MCAT Physical Sciences 
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