Explore common biological topics by studying the smallest biological units: molecules and cells. You can earn a free certificate of completion in this online Biology course, or it to earn credit in leading college programs.

In our Biology course, you will learn to:

  • characterize the biological principles common to all organisms;
  • explain how information is stored, copied, transferred, and expressed in biological systems; and
  • apply the scientific method to solve problems in real-world settings.

BIO101: Introduction to Molecular and Cellular Biology

  • Time: 35 hours
  • Free Certificate
Explore the basics of molecular biology, including proteins, carbohydrates, lipids, and nucleic acids, water, and other compounds that make up the cell, with an emphasis on the cell membrane, mitosis and meiosis, genetics and gene expression, transcription and translation, and cellular metabolism.