In this biochemistry activity, learners complete a crossword puzzle with 36 questions. They identify different polymers and functional groups.

Did you know plywood was invented around 3500 B.C.? It was also featured as something new and unusual at the 1905 World's Fair. Scholars complete an experiment with various types of adhesive. Then they read three case studies and...

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...

Practice for the MCAT with these questions based on the given graph about biochemistry changes after death.

A detailed review of water and its structure. Included are diagrams, animated graphics, and review quizzes. For the advanced high school student.

Questions related to controlling enzyme activity.

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...

Cells are almost like tiny factories run by robots, with the nucleus, DNA, proteins, lipids, and vitamins and minerals all playing critical roles. George Zaidan and Charles Morton lay out the blueprint of a cell and explain how...

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

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

This activity introduces the fundamental characteristics of biological macromolecules.

Explore the structure and function of two of the four major macromolecules, lipids and carbohydrates. (Requires Java)

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

This digital textbook covers core chemistry concepts and includes interactive features, real-world examples, and videos.

Analysis of Image Production by the Human Eye.

On this site, students can test their knowledge on carbohydrates!

Practice for the MCAT with these questions on bioenergetics.

Practice questions related to how organisms maintain constant pH range acids.

Questions pertaining to nucleic acids, lipids, and carbohydrates.

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.