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

Viewers watch an introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis.

In this animated object, learners are introduced to the structure and function of animal cell organelles.

This animated object illustrates the events leading to the migration of phagocytes into areas of tissue damage and/or bacterial presence. Learners view bacterial cell phagocytosis, its subsequent enzymatic digestion, and exocytosis.

In this animated object, learners examine the properties of the peptide bond and how the bond relates to the structure of hair.

Students read how to determine and calculate the saturated unit weight for a given sample of soil or aggregate, based on the weight-volume relationship. Practice problems complete the activity.

Students read how to determine and calculate the saturated density for a given sample of soil or aggregate, based on the mass-volume relationship. Practice problems complete the activity.

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

In this animated object, learners read an introduction to protein structure and function.

A quick assessment to help identify foods and their associated groups.

This game asks questions about the recommended diet for a healthy person.

Using knowledge of polyatomic ions to determine acid names.

Win a million through answering questions about saturated fat.