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Population Dynamics

This interactive simulation allows students to explore two classic mathematical models that describe how populations change over time: the exponential and logistic growth models.

Survey Methods

This interactive module explores methods used to survey large animal populations, and what they have revealed about the current state of the African elephant population.

Sampling and Normal Distribution

This interactive simulation allows students to graph and analyze sample distributions taken from a normally distributed population.

BCR-ABL: Protein Structure and Function

This tutorial describes the structure and function of the cancer-causing protein BCR-ABL. It also shows how drugs targeting this protein can help treat chronic myeloid leukemia (CML), a cancer of the white blood cells.

Gorongosa Timeline

This interactive timeline explores the history of Gorongosa National Park in Mozambique.

BCR-ABL

This model shows the structure of the protein BCR-ABL, which causes a type of cancer called chronic myeloid leukemia.

Gleevec-Resistant BCR-ABL

This model shows a mutated form of the cancer-causing protein BCR-ABL that is resistant to the drug Gleevec.

Adenosine Triphosphate (ATP)

This model shows the structure of ATP, a molecule that provides energy for cellular processes, including protein phosphorylation.

Tissue Regeneration in Animals

This tutorial describes how animals differ in their abilities to heal wounds and regenerate lost body parts or damaged tissues.

How The Body Uses Fat

This tutorial explores how fat is digested, transported, stored, and used for energy.