'Base pair' diaporamas de présentation

DNA & DNA STRUCTURE

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Extensions of Mendelian Genetic Principles

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Chapter 9: Acids, Bases, and Salts

Chapter 9: Acids, Bases, and Salts. Acids. Arrhenius acids Produce H + ions in water. H 2 O H Cl( g ) H + ( aq ) + Cl - ( aq ) Are electrolytes. Have a sour taste. Turn litmus red. Neutralize bases. . Naming Some Common Acids. Bases. Arrhenius bases

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Water & Life

Water & Life. Campbell and Reece Chapter 3. Hydrogen Bonding. 2 characteristics contribute to H-bonds polar covalent bond between H & O molecule is bent (V-shaped). Water in Liquid State. H-bonds ~ 1/20 th as strong as covalent bond

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Solutions, Acids and Bases, Thermodynamics, Electrochemistry, Precipitation, Chemical Equilibrium, and Chemical Kinetics

Solutions, Acids and Bases, Thermodynamics, Electrochemistry, Precipitation, Chemical Equilibrium, and Chemical Kinetics. By: Karl Lewis, Mark Liv, Kevin Mahon, Doug Reed AP Chemistry-3A 2OO3-2004. Solutions- What are they?. Substances 3 states of matter - SOLID, LIQUID, GAS

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Chapter 17 AP Biology

Chapter 17 AP Biology. From Gene to Protein. Central Dogma of Molecular Biology. DNA ? RNA ? Protein. What is RNA?. Contains the bases A, C, G, and U instead of T single-stranded (often folds onto itself)

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Acids and Bases

Acids and Bases. 8.1 Theories of acids and bases 2 hours. Arrhenius Definition. Arrhenius Acid - Substances in water that increase the concentration of hydrogen ions ( H + ). Base - Substances in water that increase concentration of hydroxide ions ( OH - ).

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Understanding Gel Electrophoresis

Understanding Gel Electrophoresis. Overview of topics covered. Basic Principles Demonstration of a gel Ladders as references Optimizing the separation. Gel electrophoresis separates a mixture of DNA fragments according to size

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Ex. 26: DNA Amplification of Mycobacterium tuberculosis by

PCR Polymerase Chain Reaction. Ex. 26: DNA Amplification of Mycobacterium tuberculosis by. PCR is DNA replication in a test tube. Objectives ??. Invented by Kary Mullis, 1983. Nobel Prize 1993.

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DNA AND PROTEIN SYNTHESIS

DNA AND PROTEIN SYNTHESIS. DNA (DEOXYRIBONUCLEIC ACID) Nucleic acid that composes chromosomes and carries genetic information. BUILDING BLOCKS OF DNA Composed of nucleotides Nucleotides contain three parts: 1. 5-Carbon Sugar (deoxyribose) 2. Phosphate Group

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Restriction Enzymes

Restriction Enzymes. Restriction Enzymes. Enzyme that cuts DNA at specific nucleotide sequences known as restriction sites. Found in bacteria and have evolved to provide a defense mechanism against invading viruses.

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Ch. 9 : DNA : The Genetic Material

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Human Evolution

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Why It Might Change Your Life! By C. Rhein - Hazelwood Central

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Restriction Enzymes

Discovered in bacteria Allow bacteria to protect themselves from viri Specialized proteins (enzymes) that act as nucleases Break bonds between nucleotides (building blocks of nucleic acids, including DNA) Recognize specific, short sequences of nucleotides in DNA

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DNA

DNA. EUKARYOTIC CELLS. SUPER COILS. CHROMATIN. DOUBLE HELIX COILS AROUND PROTEINS (HISTONES) HISTONES COIL MOLECULE INTO SUPER COILS SUPER COILS WIND UP TO FORM CHROMOSOMES CHROMOSOMES FORM CHROMATIN IN NUCLEUS. PRIMARY FUNCTION.

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