USMLE Step 1 Biology
Syllabus structure & chapters
Complete syllabus outline for USMLE Step 1 Biology. Click on any chapter below to explore subtopics, key concept highlights, expected questions, and start practicing mock tests specifically customized for USMLE Step 1 preparation.
Diversity in Living World
Classification, Plant Kingdom, Animal Kingdom, Viruses and Bacteria
Cell Structure and Function
Cell Theory, Cell Organelles, Cell Division, Biomolecules
Plant Physiology
Photosynthesis, Respiration, Plant Growth, Transport in Plants
Human Physiology
Digestion, Circulation, Excretion, Nervous System, Endocrine System
Reproduction
Reproduction in Plants, Human Reproduction, Reproductive Health, Embryonic Development
Genetics and Evolution
Mendelian Genetics, DNA and RNA, Gene Expression, Evolution
Biotechnology
Genetic Engineering, Biotechnology Applications, Recombinant DNA, Bioethics
Ecology and Environment
Ecosystems, Biodiversity, Environmental Issues, Population Ecology