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BioInteractive: Animation: Triplet Code
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Educational Use
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Once the structure of DNA was discovered, the next challenge was determining how the sequence of letters coded for the 20 amino acids could make protein. In theory, one or two letters can only code for 4 or 16 amino acids, respectively. A scheme using three letters, a triplet code, is the minimum necessary to encode for all the amino acids. [1:08]

Subject:
Science
Material Type:
Audio/Video
Provider:
Howard Hughes Medical Institute
Provider Set:
BioInteractive
Date Added:
10/01/2022
BioInteractive: Cloning an Army of T Cells for Immune Defense
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Educational Use
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View this video/animation to see how one type of immune cell-the helper T cell-interprets a message presented at the surface of the cell membrane. The message is an antigen, a protein fragment taken from an invading microbe. A series of events unfolds that results in the production of many clones of the helper T cell. These identical T cells can serve as a brigade forming an essential communication network to activate B cells, which make antibodies that will specifically attack the activating antigen. [4.21]

Subject:
Science
Material Type:
Audio/Video
Provider:
Howard Hughes Medical Institute
Provider Set:
BioInteractive
Date Added:
10/01/2022
BioInteractive: Dengue Virus Life Cycle
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Educational Use
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In this narrated animation, watch the dengue virus undergo RNA replication and protein transcription as it matures inside a human cell ultimately causing the infectious disease. [4:12]

Subject:
Science
Material Type:
Audio/Video
Provider:
Howard Hughes Medical Institute
Provider Set:
BioInteractive
Date Added:
10/01/2022
BioInteractive: Great Discoveries in Science: The Double Helix
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Educational Use
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The Double Helix is the story of the scientists and evidence involved in one of the most important scientific quests of the 20th century: the discovery of the structure of DNA. [16:53]

Subject:
Mathematics
Science
Material Type:
Audio/Video
Provider:
Howard Hughes Medical Institute
Provider Set:
BioInteractive
Date Added:
10/01/2022
BioInteractive: Great Transitions: The Origin of Birds
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Educational Use
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Discover how birds descended from dinosaurs. Learn about the evidence scientist are uncovering to find out about the origin of birds. Throughout the video, there are embedded quiz modules that test students' understanding. [18:59]

Subject:
Science
Material Type:
Module
Provider:
Howard Hughes Medical Institute
Provider Set:
BioInteractive
Date Added:
10/01/2022