Explores what happens when things go wrong during mitosis and meiosis. Presents examples of chromosomal abnormalities and techniques used to determine types of alterations. Reveals how people with Down’s syndrome are able to lead fulfilling lives.
Countries: CA
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Electrochemical Changes – Resource Correlation Guide – Unit 2
Provides additional information, experiments and problems on concepts presented in the video programs.
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Development of Molecular Genetics
Traces the research leading to the discovery of the structure of DNA by Watson and Crick. Replicates the experiment of Frederick Griffith in his search for DNA. Illustrates how X-ray crystallography and NMR spectroscopy reveal the structure of DNA.
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Equilibrium, Acids and Bases in Chemical Changes – Resource Correlation Guide
Provides additional information, experiments and problems on concepts presented in the video programs.
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DNA Replication
Demonstrates the isolation of DNA. Examines the composition of nucleic acids within DNA and the process of DNA replication. Addresses how new technologies such as gel electrophoresis further the study of molecular genetics.
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Introduction to Thermochemical Changes
An overview of thermochemical changes as it relates to physical, chemical and nuclear changes. Defines and applies the First Law of Thermodynamics, and explains the terms endothermic and exothermic. Introduces the concept that energy can be measured.
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Transcription of DNA to Messenger RNA
Uses animation and demonstrations to show how DNA is transcribed into messenger RNA. Reveals the structure of messenger RNA and its constituent codons. Explores the various roles of messenger RNA and its importance in embryonic development.
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Specific Heat Capacity and Calorimetry
Duplicates Joule’s experiment to show how he determined specific heat capacity of water. Explains the heat released by one substance equals the heat absorbed by another and specific heat of different substances can be determined using calorimetry.
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Translation and Protein Synthesis
Illustrates how coded genetic information in DNA is transcribed into proteins in cytoplasm. Introduces the process of transcription and examines the specific function of proteins produced in the body. Explains which foods provide essential amino acids.
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Practical Applications of Calorimetry
Shows how the energy content of food can be determined using calorimetry. Defines specific heat capacity and heat capacity. Students design and build a calorimeter and perform an experiment to determine the energy content of a peanut.