Biology Study Guide: Master Cell Biology, Genetics & Evolution

Published September 1, 2025 • 18 min read • Science Education

Biology is the foundation of life sciences and essential for pre-med, nursing, and healthcare careers. This comprehensive guide covers all major biology topics with study strategies, essential MCAT.

Core Biology Topics

🧬 Cell Biology & Molecular Biology

  • • Cell structure and organelles
  • • DNA, RNA, and protein synthesis
  • • Cellular respiration and photosynthesis
  • • Cell cycle and mitosis
  • • Enzyme function and metabolism

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🧬 Genetics & Heredity

  • • Mendelian genetics and inheritance
  • • DNA structure and replication
  • • Gene expression and regulation
  • • Mutations and genetic disorders
  • • Population genetics

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🌱 Evolution & Ecology

  • • Natural selection and adaptation
  • • Speciation and phylogeny
  • • Ecosystem dynamics
  • • Population ecology
  • • Conservation biology

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🫀 Human Biology & Physiology

  • • Body systems and functions
  • • Homeostasis and regulation
  • • Immune system function
  • • Nervous system and behavior
  • • Reproductive biology

Browse Physiology Materials →