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15.2: Protein Purification (Activity) - Biology

Size-Exclusion of Dye MoleculesAs a demonstration, the instructor may illustrate the concept of size exclusion on a set of mixed food coloring.Size exclusion chromatography of food coloring.Let the column empty over a beaker.Carefully load 0.2 ml of food coloring mixture onto the column.Place 10 tubes on a rack under the column.
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Activity of DNA glycosylase

I am wondering how DNA glycosylase works from the chemical point of view. Sometimes in papers I can see that they are doing activity assays with 1M NaOH and I am trying to understand why using 1M N…
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The Dromedary - Wanted Poster

Characteristics Name: Dromedar Other names: Arabian camel Latin name: Camelus dromedarius Class: mammals Size: 2,50m - 3,50m (head-hull-length) Weight: approx. 350 - 600kg Age: up to 50 years Appearance: different coat colors possible, among others white, black, light brown Nutrition Type: Herbivore (herbivor) Food: Leaves, Grasses Distribution: Central Asia, North Africa, Australia and Arabian Peninsula Original Origin:?
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KRAS gene and K-Ras Mutations

This question pertains to the KRAS wikipedia page, and I just want to double check and clarify my own understanding of how this mutation works in cancer. It states: K-Ras protein acts like a switc…
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