Explore what proteins are, their structure, and their functions.

In this animated object, learners examine neutral fats, phospholipids, and cholesterol. The molecular formula and general function for each are shown.

Learners take a close look at the information on product labels concerning fat, fiber, and serving sizes. A quiz follows the lesson.

In this animated learning object, learners examine the regulation of inducible operons in bacterial systems.

In this interactive object, learners read about the seven hormones that help regulate blood glucose. A quiz completes the activity.

In this highly animated and colorful object, learners examine the steps of carbohydrate digestion. A brief quiz completes the activity.

Students read brief descriptions of atoms, molecules, elements, and compounds, and complete a matching exercise that pictures these particles and molecules as pieces of taffy.

Learners read about the U.S. Department of Agriculture's guide for daily food choices. They then recreate the Food Guide Pyramid.

Learners read about the role of water, the basic physiology of water balance, and the effects of dehydration particularly on elderly clients. Tips for maintaining proper hydration are presented. In an interactive exercise, students calculate how much fluid a client needs based on his/her age, health, and weight.

cell parts review

Étudiez dur!

Answer questions about biology in a game of baseball

All about photosynthesis.