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This four-part animation series explores the biology of the virus SARS-CoV-2, which has caused a global pandemic of the disease COVID-19.

This interactive module explores how CRISPR-Cas9 technology works and the many ways in which scientists are using it in their research.

This video describes how scientists silence different genes in regenerating planaria to study the process of regeneration at the molecular level.

This interactive module uses the central dogma as a model for exploring how modern molecular biology technologies can be used to treat different genetic conditions.

This interactive module allows students to use DNA profiling and related biological concepts to solve two cases of elephant poaching.

This film tells the story of the scientists and the evidence involved in one of the most important scientific quests of the 20th century: the discovery of the structure of DNA.

This interactive module shows how DNA sequences can be used to infer evolutionary relationships among organisms and represent them as phylogenetic trees.

This animation shows how a variety of proteins interact to regulate the transcription of eukaryotic DNA into RNA.

This tutorial describes the principles of DNA sequencing and sequence assembly, and shows how they apply to different sequencing techniques.

This animation explores the chemical components and bonds of the nucleotides that make up DNA.

This animation shows how dengue virus infects a cell and replicates itself with the help of its host’s cellular machinery.

This animation describes PCR, a standard laboratory technique for making many copies of a specific DNA sequence.