CK-12 Foundation
Ck 12: Dna, the Genetic Material
[Free Registration/Login may be required to access all resource tools.] DNA is the genetic material in your cells passed on to you from your parents and determines your characteristics. Learn about transformation and how DNA was...
CK-12 Foundation
Ck 12: Dna Structure and Replication
[Free Registration/Login may be required to access all resource tools.] Module describes how DNA's structure and function was discovered while summarizing the process of DNA replication. This activity also explains Chargaff's rules and...
CK-12 Foundation
Ck 12: Rna
[Free Registration/Login may be required to access all resource tools.] An overview of RNA, its three main types and their functions are discussed in this tutorial. After completing this activity, students will be able to compare DNA to...
CK-12 Foundation
Ck 12: Transcription of Dna to Rna
[Free Registration/Login may be required to access all resource tools.] The process of transcription is defined and discussed in protein synthesis. Students will learn about mRNA processing and know the significance of polyadenylation.
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Ck 12: Genetic Code
[Free Registration/Login may be required to access all resource tools.] How do you go from four letters to 20 amino acids? You need a code. This module introduces the genetic code and how to read it, defines codon and reading frame, and...
CK-12 Foundation
Ck 12: Translation
[Free Registration/Login may be required to access all resource tools.] Translation involves translating the language of nucleotides to the language of amino acids. During this activity, translation in protein synthesis is explored along...
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Ck 12: Types of Mutation
[Free Registration/Login may be required to access all resource tools.] Everyone has mutations. Mutations are essential for evolution to occur. This tutorial defines mutations and explains the different types: somatic mutations, germline...
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Ck 12: Causes of Mutation
[Free Registration/Login may be required to access all resource tools.] Learning activity defines mutagen, covers the causes of mutation, and gives examples of spontaneous mutations.
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Ck 12: Mutation Effects
[Free Registration/Login may be required to access all resource tools.] Effects of mutations can be beneficial or they can be harmful. This tutorial describes the effects and provides examples of each.
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Ck 12: Gene Expression and Regulatory Proteins
[Free Registration/Login may be required to access all resource tools.] Gene expression is the use of a gene whose product is necessary for that moment. Whenever a particular protein is needed, gene expression provides it. This module...
CK-12 Foundation
Ck 12: Gene Regulation in Prokaryotes
[Free Registration/Login may be required to access all resource tools.] Provides an overview of gene regulation in prokaryotic cells while defining operon, explaining the roles of the operator, the promoter, and the repressor, and...
CK-12 Foundation
Ck 12: Gene Regulation in Eukaryotes
[Free Registration/Login may be required to access all resource tools.] Gene regulation in eukaryotic cells is described along with the role of the TATA box and homeobox genes.
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Ck 12: Virus Characteristics
[Free Registration/Login may be required to access all resource tools.] What are the differences and similarities between viruses and living things? This tuorial covers the characteristics of viruses and viral reproduction.
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Ck 12: Virus Structures
[Free Registration/Login may be required to access all resource tools.] Describes the structure of viruses and variations in virus shapes such as cylindrical, icosahedral, complex, or enveloped.
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Ck 12: Virus Replication
[Free Registration/Login may be required to access all resource tools.] How do viruses replicate? In this lesson, students will learn how a virus produces new copies of itself.
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Ck 12: Viruses & Human Diseases
[Free Registration/Login may be required to access all resource tools.] Viruses cause many human diseases. They can range from mild to fatal. This activity explains how viruses cause human disease.
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Ck 12: Influenza
[Free Registration/Login may be required to access all resource tools.] Tutorial covers the 1918 Spanish Flu pandemic as a vehicle to look at viruses and disease, as well as the use of modern biological tools to improve human health....
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Ck 12: Episd: Control of Viruses
[Free Registration/Login may be required to access all resource tools.] Find out the details of how scientists have found methods to control the spread of viruses.
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Ck 12: Episd: Viruses in Research and Medicine
[Free Registration/Login may be required to access all resource tools.] Is it possible for viruses to be useful? Explore and understand the why good things can happen when scientists study these pesky microorganisms.
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Ck 12: Episd: Mendel's Pea Plants
[Free Registration/Login may be required to access all resource tools.] A breakdown of biologist Gregor Mendel's genetic experiments with pea plants to clarify controlling self and cross pollination.
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Ck 12: Episd: Mendel's Laws and Genetics
[Free Registration/Login may be required to access all resource tools.] Explore the genetics research conducted by biologist Gregor Mendel and understand the significance of alleles on genes.
CK-12 Foundation
Ck 12: Episd: Mendel's First Set of Experiments
[Free Registration/Login may be required to access all resource tools.] Understand the fundamentals of Gregor Mendel's early genetics experiments. Students will explore the Law of Segregation within genetics and how to cross F1 and F2...
CK-12 Foundation
Ck 12: Episd: Mendel's Second Set of Experiments
[Free Registration/Login may be required to access all resource tools.] Identify the Law of Independent Assortment and dihybrid crossing while studying Mendel's second set of experiments in genetics.
CK-12 Foundation
Ck 12: Episd: Genetic Variation
[Free Registration/Login may be required to access all resource tools.] How does genetic variation protect species from extinction? Understand sexual reproduction and the importance of both random fertilization and independent assortment.