In this interactive object, learners read the definitions of the parts of a cell and assemble a basic eukaryotic cell in a drag and drop exercise. A matching quiz involving cell terms and their definitions completes the activity.

This screencast will help the student identify normal blood cells and their functions. This will include the identification of red blood cells, five types of white blood cells, and platelets.

In this module, you will explore the many kinds of cell models and learn about the ways they differ from animal models.

In this video you'll study the structure of the cell membrane and construct it using the correct molecules.

In this animated activity, learners examine the two major phases of cell division: mitosis and cytokinesis.

In this video, learners view the parts of an animal cell and its organelles.

Explore what passive transport osmosis is and how it moves water through a semipermeable membrane.

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

Learners examine the different stages of maturation for red blood cells, white blood cells, and platelets. A quiz completes the activity.

In this interactive object, learners identify the parts of an animal cell and its organelles.

In this animated activity, learners examine nanotechnology applications that are based on cell membrane structure and function.

In this learning activity you'll study the structure of the cell membrane and construct it using the correct molecules.

In this animated activity, learners examine muscle cell contraction and relaxation and consider the role of calcium ions.

In this animated object, learners examine the different phases of a cell's life.

Students read how to lock a cell that is being referenced in a formula so that it does not automatically show an increment when the formula is copied.

The Animal Welfare Act, or AWA, gives protection to animals used in research, education, and entertainment. Explore ethical use and some of the current alternatives in this module.

Learners read a general description of the function and structure of leaves and examine drawings and microscopic views. A matching exercise completes the learning object.

Imagine you're a college student volunteering in a lab that includes animal research and you're trying to decide if this would be a good experience. Play through this module to understand the regulations for animal well-being and how they impact animal welfare. Prove you're an Animal Welfare Whiz!

In this well-illustrated object, learners examine basic floral anatomy. The flower is the reproductive organ of the angiosperm.

This learning object demonstrates the process by which antigens are identified, processed, and presented to mediators of the cellular immune system.