Major: Biological Science

Study lessons

1. 1

   Cells and the chemistry of life

   Identify organelles, explain how membranes and enzymes work, and trace the energy of respiration and photosynthesis well enough to answer Biological Science major items.

   15 min
2. 2

   Genetics and evolution

   Work Punnett squares, apply Mendelian and non-Mendelian inheritance, read DNA basics, and explain natural selection and speciation for the Biological Science exam.

   16 min
3. 3

   Microbiology and immunity basics

   Distinguish bacteria, viruses, fungi, and protists, compute simple bacterial growth, and explain how infection and the immune response work for the Biological Science exam.

   14 min
4. 4

   Human anatomy and physiology

   Name each organ system, its main organs, and its one job, and explain homeostasis and feedback well enough to answer Biological Science physiology items.

   15 min
5. 5

   Ecology and the environment

   Trace energy flow and nutrient cycles, apply the ten percent rule, describe population growth and symbiosis, and explain biodiversity for the Biological Science exam.

   14 min
6. 6

   Chemistry for biology

   Read atomic structure and chemical bonds, compute pH, and classify the four biological macromolecules so you can answer the chemistry-based Biological Science items.

   14 min

Section practice test

3 test sets covering the whole Major: Biological Science section, 90 original questions with explanations. After you finish the lessons above, prove it here. Randomized every run.