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2009-08-14

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  • General structure OF AMINO ACID
    on Oct 19, 2009
    General Structure Of Amino Acide :- In the structure shown at the top of the page, R represents a side chain specific to each amino acid. The carbon atom next to the carbonyl group is called the α–carbon and amino acids with a side chain bonded t...
  • Amino acid
    on Oct 19, 2009
    AMINO ACID HELLO FRIENDS THIS TOPIC IS ALSO RELATED BRAIN POWER.Amino acids are molecules containing an amine group, a carboxylic acid group and one of the twenty R-groups. These molecules are particularly important in biochemistry. where this term...
  • Evidence for RNA synthesis in the intergenic region
    on Oct 8, 2009
    Evidence for RNA synthesis in the intergenic region between enhancer and promoter and its inhibition by insulators in Drosophila melanogaster Insulators are DNA elements bound by protein complexes that subsequently interrupt inappropriate interaction...
  • Regulation of human dUTPase gene expression
    on Oct 7, 2009
    Regulation of human dUTPase gene expression and p53-mediated transcriptional repression in respons to oxaliplatin-induced DNA damage. INTRODUCTION Deoxyuridine triphosphate nucleotidohydrolase (dUTPase) is the sole enzyme responsible for the hydrolys...
  • Variations on probes and analysis with Fiber FISH
    on Sep 15, 2009
    An alternative technique to interphase or metaphase preparations, fiber FISH,  chromosomes are attached to a slide in such a way that they are stretched out in a straight line, rather than being tightly coiled, as in conventional FISH, or ado...
  • Probes
    on Sep 11, 2009
    Probes Probes are often derived from fragments of DNA that were isolated, purified, and amplified for use in the Human Genome Project. The size of the human genome is so large, compared to the length that could be sequenced directly, that it was nece...
  • Variations on probes and analysis
    on Sep 11, 2009
    Variations on probes and analysis FISH is a very general technique. The differences between the various FISH techniques are usually due to variations in the sequence and labeling of the probes; and how they are used in combination. These few modifica...
  • Preparation and Hybridization Process
    on Sep 11, 2009
    Preparation and Hybridization Process First, a probe is constructed. The probe must be large enough to hybridize specifically with its target but not so large as to impede the hybridization process. The probe is tagged directly with fluorophores, wit...
  • Cloning PCR DNA
    on Sep 8, 2009
    Cloning PCR DNA Cloning PCR products into plasmid vectors is a common downstream application of PCR. When PCRwas in its infancy, researchers found that it was not easyto clone PCR products by simple blunt-end ligation intoblunt-ended plasmid vectors...
  • Do High-fat Diets Make Us Stupid And Lazy? Physical And Memory Abilities Of Rats Affected After ...
    on Sep 5, 2009
    Do High-fat Diets Make Us Stupid And Lazy? Physical And Memory Abilities Of Rats Affected After 9 Days.RASHID:-ScienceDaily (Sep. 5, 2009) — Rats fed a high-fat diet show a stark reduction in their physical endurance and a decline in their cogni...
  • Europe's First Farmers Were Immigrants: Replaced Their Stone Age Hunter-gatherer Forerunners
    on Sep 4, 2009
    Europe's First Farmers Were Immigrants: Replaced Their Stone Age Hunter-gatherer ForerunnersScienceDaily (Sep. 4, 2009) — Analysis of ancient DNA from skeletons suggests that Europe's first farmers were not the descendants of the people who sett...
  • Those Blinded By Brain Injury May Still 'See', New Study Shows
    on Sep 4, 2009
    Those Blinded By Brain Injury May Still 'See', New Study ShowsScienceDaily (Sep. 3, 2009) — Except in clumsy moments, we rarely knock over the box of cereal or glass of orange juice as we reach for our morning cup of coffee. New research at The U...
  • Precise Radio-Telescope Measurements Advance Frontier Of Gravitational Physics
    on Sep 2, 2009
    Precise Radio-Telescope Measurements Advance Frontier Of Gravitational Physics ScienceDaily (Sep. 2, 2009) — Scientists using a continent-wide array of radio telescopes have made an extremely precise measurement of the curvature of space caused by...
  • Zebrafish Cloning Methods Improved
    on Sep 1, 2009
    Zebrafish Cloning Methods ImprovedScienceDaily (Sep. 1, 2009) — A team of Michigan State University researchers has developed a new, more efficient way of cloning zebra fish, a breakthrough that could have implications for human health research.The...
  • Virus Enzymes Could Promote Human, Animal Health
    on Aug 31, 2009
    Virus Enzymes Could Promote Human, Animal Health ScienceDaily (Aug. 31, 2009) — Could viruses be good for you? Scientists with the Agricultural Research Service (ARS) have shown that enzymes from bacteria-infecting viruses known as phages could hav...
  • Fishy Sixth Sense: Mathematical Keys To Fascinating Sense Organ
    on Aug 31, 2009
    Fishy Sixth Sense: Mathematical Keys To Fascinating Sense Organ ScienceDaily (Aug. 30, 2009) — Fish and some amphibians possess a unique sensory capability in the so-called lateral-line system. It allows them, in effect, to "touch" objects in their...
  • Scientists First To Image 'Anatomy' Of A Molecule
    on Aug 30, 2009
    Scientists First To Image 'Anatomy' Of A MoleculeScienceDaily (Aug. 29, 2009) — IBM scientists have been able to image the “anatomy” -- or chemical structure -- inside a molecule with unprecedented resolution, using a complex technique known as...
  • Nitrous Oxide Now Top Ozone-depleting Emission
    on Aug 28, 2009
    Nitrous Oxide Now Top Ozone-depleting Emission ScienceDaily (Aug. 28, 2009) — Nitrous oxide has now become the largest ozone-depleting substance emitted through human activities, and is expected to remain the largest throughout the 21st century, NO...
  • Huge New Planet Orbits 'Wrong' Way Around Star; Tells Of Game Of Planetary Billiards
    on Aug 28, 2009
    Huge New Planet Orbits 'Wrong' Way Around Star; Tells Of Game Of Planetary Billiards ScienceDaily (Aug. 28, 2009) — A team of scientists has found a new planet which orbits the wrong way around its host star. The planet, named WASP-17, and orbiting...
  • Sex determining gene found in birds
    on Aug 27, 2009
    Sex determining gene found in birdsThursday, 27 August 2009 Australian scientists have discovered the gene that makes birds male.The discovery of the sex determining gene in birds, published in today's edition of Nature, could help scientists underst...
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