1 - 12 of 38 results

How Do Some Cells Affect Mouse Color?

In this phenomenon-driven activity, students investigate how cells are signaled to make melanin and explain how mutations in melanin pathway proteins affect the coat color of various organisms.

Cell Biology
Genetics
Lessons
High School — General
High School — AP/IB
College

Why Do Some People with the Sickle Cell Genotype Not Have Symptoms?

In this inquiry-based activity, students engage in science practices to figure out why some people with a genetic condition that usually leads to sickle cell disease do not have disease symptoms.
 

Biochemistry & Molecular Biology
Genetics
Card Activities
High School — General
High School — AP/IB
College

How Can We Explain Evolutionary Relationships among Species?

In this inquiry-based activity, students engage in science practices to figure out ways environmental factors drive the natural selection and adaptation of Galápagos finches.

Evolution
Science Practices
Card Activities
High School — General
High School — AP/IB

Activity for Out of the Ashes

This activity explores the concepts and research presented in the short film Out of the Ashes: Dawn of the Age of Mammals, which explores how life on Earth recovered after a major asteroid impact.

Evolution
Earth Science
Film Activities
High School — General
High School — AP/IB
College

Sodium Channel Evolution in Electric Fish

This activity guides the analysis of a published scientific figure from a study that investigated how gene duplication contributed to the evolution of electric fish.

Genetics
Anatomy & Physiology
Evolution
Science Practices
Data Points
High School — General
High School — AP/IB
College

Why Two Heads?

This activity explores images of planarians regenerating missing body parts, which serve as phenomena for learning about cell division and differentiation.

Cell Biology
Anatomy & Physiology
Phenomenal Images
High School — General
High School — AP/IB

Epidemiology of Nipah Virus

This activity complements the video Virus Hunter: Monitoring Nipah Virus in Bat Populations. Students explore cases of Nipah virus infection, analyze evidence, and make calculations and predictions based on data.

Microbiology
Science Practices
Case Studies
High School — AP/IB
College

Sleep Clears β-amyloid from the Brain

This activity analyzes a published scientific figure from a study that investigated the biological importance of sleep. In this study, scientists tested whether sleep plays a role in removing harmful substances from the brain.

Anatomy & Physiology
Science Practices
Data Points
High School — AP/IB
College

Viral Lysis and Budding

This activity outlines two demonstrations that model how enveloped and nonenveloped viruses are released from infected cells.

Microbiology
Science Practices
Labs & Demos
High School — General
High School — AP/IB

HIV Receptors and Co-receptors

This demonstration models the first step of the HIV life cycle: the binding of HIV envelope proteins to receptors on human helper T cells.

Microbiology
Anatomy & Physiology
Science Practices
Labs & Demos
High School — General
High School — AP/IB
College

HIV Reverse Transcription and AZT

This activity allows students to model how the anti-HIV drug AZT (azidothymidine) interferes with the process of viral replication.

Biochemistry & Molecular Biology
Genetics
Microbiology
Card Activities
High School — General
High School — AP/IB
College

Viral DNA Integration

In this hands-on activity, students model how a double-stranded DNA copy of the HIV genome is integrated into the host cell DNA.

Biochemistry & Molecular Biology
Microbiology
Science Practices
Labs & Demos
High School — General
High School — AP/IB