What is the best way to prepare for an AP® exam? Learners become familiar with the AP® Biology exam by completing a full-length practice exam. The AP® test prep by the College Board contains multiple choice, grid-in, and free-response...

Two multiple-choice quizzes, one on the processes and types of biological molecules, the other on the structure and replication of DNA.

A set of virtual experiment assignments where students investigate the biochemistry of hemoglobin and the role it plays in the functioning of human red blood cells. Includes background information, glossary, online notebook, and...

Problem set tests understanding of Photosynthesis by providing multiple choice questions accompanied by related tutorials. Problem set 1 focuses on light and role of pigments.

Problem set tests understanding of Photosynthesis by providing multiple choice questions accompanied by related tutorials. Set 2 Focuses on carbohydrate synthesis.

This activity introduces the fundamental characteristics of biological macromolecules.

Get a tour of the four basic biological macromolecules structure and function in this tutorial. Learn about carbohydrates, lipids, proteins, and nucleic acids.

Focus on the basic structure and function of both lipids and carbohydrates, two of the four major macromolecule families in biological systems. (Requires Java)