Sandwalk

                                    Strolling with a skeptical biochemist

Wednesday, March 21, 2007

How RNA Polymerase Works: The Chemical Reaction

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  During the elongation step in transcription, the transcription complex consisting of RNA polymerase plus various elongation factors moves ...
5 comments:

No sex for 40 million years? No problem

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  My wife sent me a link to this story [ No sex for 40 million years? No problem ]. I didn't know she had been following the debate on t...
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The Heterosexual Agenda: Exposing the Myths

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  Read this eye-opening exposé of the heterosexual lifestyle [ The Hetereosexual Agenda: Exposing the Myths ]. Don't believe the nonsens...
7 comments:

Nobel Laureate: Roger Kornberg

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  The Nobel Prize in Chemistry 2006. "for his studies of the molecular basis of eukaryotic transcription" Roger Kornberg won the ...
Tuesday, March 20, 2007

Eukaryotic RNA Polymerases

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There are several different kinds of RNA that can be made when RNA polymerase copies a gene. The most common kind is messenger RNA ( mRNA ),...
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This Is Your Brain on Drugs

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  Denyse O'Leary has been telling us for months that she's preparing a new book in collaboration with Mario Beauregard, a researcher...
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God and Evolution (2nd notice)

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  This is the second notice of God and Evolution , a talk about the effect of intelligent design on our education system. The lectures are i...

Mushrooms for Dinner

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Julia was fed up with her husband. He was cruel and abusive and obviously preferred his own son by a previous marriage to her own son by a p...
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Monday, March 19, 2007

How's It Working So Far in Iraq?

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  ABC News reports on the latest poll results from Iraq [ Voices From Iraq 2007: Ebbing Hope in a Landscape of Loss ]. Violence is the cause...
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Transcription

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  Transcription is the process where a gene (DNA) is copied into single-stranded RNA. The enzyme responsible for this process is called RNA ...

Gene and Transcription Orientation

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  The DNA double helix consists of two strands of DNA wound around each other to form the classic helical structure. One of the most importa...
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Facts and Myths Concerning the Historical Estimates of the Number of Genes in the Human Genome

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In April 2005 Gil Ast published an article in Scientific American (Ast, 2005). The title of the article was “The Alternative Genome” and its...
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What Is This?

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  Why it's Stenocereus eruca , of course. Don't know what that is? Find out if it's a plant, an animal, or something else entire...
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Sex, genes & evolution

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  With a title like that how could you not want to read John Logsdon's new blog? Yesterday was his first post but I'm looking forwar...
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Monday's Molecule #18

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  Name this molecule. You must be specific but we don't need the full correct scientific name. (If you know it then please post it.) As ...
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