Methyl group

... cysteine are hydroxy- and thiol derivatives. Valine and leucine are dimethyl and isopropyl derivatives. Isoleucine is not iso- for no reason, so ... to remember it is one carbon shoter than Lys and there is the guanidium group. If you look on the urea cycle , you can see there is the arginine ...

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Wondering what molecule could be attached to a methyl group to cap (inactivate) any of the 8 main HIV genes, thereby not allowing them to produce gene product ...

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First of all, I was wrong. There is a methyl group on chlorophyll a and a carbonyl group on chlorophyll b. The accessory pigments will affect the ...

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... and oxaloacetate to form citrate) is the enolization of the acetyl group which then acts as a nucleophile toward bound oxaloacetate. Water--freely ... thiol activates in two senses: it enhances the rate of enolization (the methyl protons of the thioester are more acidic than a simple ester); and ...

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... (C19), and then estrogen (C18). Estrogen has an alcohol functional group at the C3 and C17 positions, and a methyl group at C13. A unique aspect of estrogen biosynthesis is the conversion (catalyzed ...

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