'Single amino acid change' diaporamas de présentation

CHAPTER 10 Bacterial Genetics

CHAPTER 10 Bacterial Genetics. Mutation and Recombination, Mutations and Mutants. Mutation is a heritable change in DNA sequence that can lead to a change in phenotype . By definition, a mutant differs from its parental strain in genotype , the nucleotide sequence of the genome.

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The Big Four

The Big Four. Are you what you eat?. 1. The important Characteristics of Carbon . Forms 4 covalent bonds Forms double and triple bonds Forms long chains and rings Can bind with many other elements Even electron distribution (nonpolar molecules).

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Organic Molecules

Organic Molecules. Six Functional Groups. Six Functional Groups. Early Origin-of-Life Experiments . Could the first steps of chemical evolution have occurred on ancient Earth?

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Chapter 3

Chapter 3. The Molecules of Cells. Organic compounds. Always contain carbon Always have covalent bonds (not ionic) Usually associated with large numbers of atoms Commonly associated with living things. carbon. Can covalently bond with as many as 4 other atoms 4 valence electrons

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Marshelder ( Iva )

Marshelder ( Iva ). PLANT OF THE DAY: Marshelder Close relative of ragweed and sunflower Domesticated in eastern North America as an oilseed Domesticated form now extinct. Crop domestication. Big Questions. Why were plants domesticated? Where were plants domesticated?

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The Molecules of Life

The Molecules of Life. Macromolecules Not all are polymers Four main classes: Carbohydrates Lipids Proteins nucleic acids. Carbohydrates. Carbohydrates Monosaccharides ( simple sugars) polysaccharides (macromolecules) Functions: cellular fuel structural components of cell

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H 2 S-Preventing Wine Yeast

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H 2 S-Preventing Wine Yeast

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Selective Permeability

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34 Cancer

34 Cancer. Lecture Outline, 11/30/05. Review the Cell cycle Cancer is a genetic disease Oncogenes and proto-oncogenes Normally promote cell growth. Become oncogenic after point mutations, duplications, deletion of silencer, etc Tumor Suppressor genes Normally inhibit cell growth.

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General Microbiology (Micr300)

General Microbiology (Micr300) . Lecture 10 Microbial Genetics (Text Chapter: 10.1-10.4; 10.6-10.14). Mutation and Recombination.

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Announcements

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Proteins

Proteins. Types of proteins. Structural These protein types serve as essential components to your body's construction. Keratin and collagen are the most common structural proteins. Storage

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Protein 3-Dimensional Structure and Function

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DNA Mutations

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Gene regulation

Gene regulation. Gene regulation. NUCLEUS. CYTOPLASM. R. S. Winning, 2003. Gene regulation. Transcription: regulated by activators (transcription factors) and repressors (rare in eukaryotes) Examples: heat shock transcription factor

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12.4 Mutations

12.4 Mutations. Think About It!. Complete the 2 tables on the first page of your handout. Try this without using your notes first and only refer to your notes on transcription and translation if you are struggling. From your tables and both translated sequences, what do you think a mutation is?.

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Mutations

Mutations. A mutation is a permanent change in the DNA sequence of a gene. Mutations in a gene's DNA sequence can alter the amino acid sequence of the protein encoded by the gene. What is a mutation?.

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John R. LaMontagne Memorial Symposium on Pandemic Influenza Research

John R. LaMontagne Memorial Symposium on Pandemic Influenza Research. Working Group 8 Virus Transmission: Understanding and Predicting Pandemic Risk. a 2-3Gal. Receptor specificity is a major factor. a 2-6Gal. a 2-3Gal. a 2-3Gal H5. a 2-6Gal H9. a 2-6Gal. a 2-6Gal. a 2-3Gal.

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