Paired DNA Strands
This animation describes the general structure of DNA: two strands of nucleotides that pair in a predictable way.
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Displaying videos 181 - 192 of 206, page 16 of 18.
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How DNA Is Packaged
This animation shows how DNA molecules are packed up into chromosomes.
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Human Genome Sequencing
This animation shows how the Human Genome Project sequenced the human genome, which contains over 3 billion nucleotides.
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Shotgun Sequencing
This animation illustrates shotgun sequencing, a method that was used to sequence the human genome.
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DNA Cloning with Plasmids
This animation describes a genetic engineering technique called DNA cloning, which can be used to make bacteria express a foreign gene, typically from another species.
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Sanger Sequencing
This animation illustrates Sanger sequencing, one of the earliest methods used to sequence DNA.
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RNA Splicing
This animation shows how mRNA is edited to remove noncoding regions.
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Human Chromosomes
This animation describes the set of chromosomes usually found in humans.
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Building Blocks of DNA
This animation describes the four bases that make up DNA.
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Planarian Regeneration and Stem Cells
This video discusses the remarkable regenerative capabilities of the planarian, and how biologist Alejandro Sánchez Alvarado uses them to study the biology of stem cells.
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Treating HIV Infection with a Reverse Transcriptase Inhibitor
This animation shows how a medication called AZT, which is a reverse transcriptase inhibitor, can be used to treat HIV/AIDS.
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Dengue Virus Life Cycle
This animation shows how dengue virus infects a cell and replicates itself with the help of its host’s cellular machinery.
