'Smaller fragments' diaporamas de présentation

Wide body of water formed where a large river meets the sea; contains both fresh and salt water

Intermolecular forces between two substances that cause them to stick together; causes droplets to form in liquids . Wide body of water formed where a large river meets the sea; contains both fresh and salt water.

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DNA Technology

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DNA methods summary

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Biotechnology

Biotechnology. Genetic Engineering. Genetic Engineering. Any technique used to identify or change a gene. Intended uses: Medical Forensics Agriculture Farm Animals Research Pets.

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Chapter 9: Biotechnology

Chapter 9: Biotechnology . 9.1, 9.3, & 9.4. 9.1: Manipulating DNA. Key Concept: Biotechnology relies on cutting DNA at specific places. Scientists use several techniques to manipulate DNA. Chemicals, computers, and bacteria are used to work with DNA.

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Chemistry 25.3

Chemistry 25.3. Section 25 .3. Fission and Fusion of Atomic Nuclei. 25.3. Fission and Fusion of Atomic Nuclei.

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Strategic Planning for Adaptive Optics at Keck

Strategic Planning for Adaptive Optics at Keck. Claire Max and Mike Liu on behalf of Keck AO Working Group Antonin Bouchez (Caltech), Rich Dekany (Caltech), David Koo (UCSC), Bruce Macintosh (LLNL), Franck Marchis (UCB), Keith Matthews (Caltech). Outline. Role of AO Working Group

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Southern Blotting

Southern Blotting. Invented by British biochemist Edwin Southern . Purpose. Used to determine whether a particular nucleotide sequence is present in different sources of DNA, and also to discover the size of the restriction fragment that contains the specific sequence . Example. Sickle Cell

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Half-Life and Nuclear Reactions

Half-Life and Nuclear Reactions. Review. We learned that all radioactive atoms eventually decay into stable isotopes. We did not talk about how long this takes. Half-Life. Cannot predict when a radioisotope (RI) will decay. Can only give probability.

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Gel

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Reproduction In Plants

Reproduction In Plants. Asexual Reproduction.

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Cell Fractionation and Ultracentrifugation

Cell Fractionation and Ultracentrifugation. Cell Fractionation. What is it? Process where cells are broken up and the different organelles they contain separated out. Used to obtain large numbers of isolated organelles Used to help us study structure and function of organelles.

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Gel Electrophoresis

Visualizing DNA. Gel Electrophoresis. What is it?. Gel electrophoresis is one of the techniques scientists use to look at the DNA they have. This technique separates DNA by size. How does it work?. First a gel is prepared. Gels are made of agarose , a seaweed extract similar to gelatin.

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Restriction Enzymes and Gel Electrophoresis

Restriction Enzymes and Gel Electrophoresis. Genetics 335. Step 1: Restriction enzymes/endonucleases. Enzymes that cut DNA into fragments of different sizes Cleave DNA at specific phosphodiester bonds Named after bacterial strains E.g., BamHI, EcoRI, HAEIII, HindII, MstII

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the choice is clear

the choice is clear. Important Facts. 500 billion to 1 trillion single-use plastic bags are used every year Plastic resin production has increased from 14 billion to 120 billion pounds over the past 3 generations Only 3% - 5% of plastics are recycled* *Best of Life Magazine Feb 2009.

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DNA Fingerprinting

DNA Fingerprinting. Enzymes. Enzymes are proteins that are used for a specific job in a cell. The enzymes used to make a DNA Fingerprint cut DNA bases in a specific spot.

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