The E. coli trp operon contains the 5 genes Trp-EDCBA for the anabolic enzymes to make the tryptophan.

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#Unit 2. Cellular Organization

When CDK activity is low= helicases are loaded in G1

When CDK activity is high= helicases are activated in

S, G2 & M

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#Unit 8. Inheritance Biology

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#Id: 5847

#Unit 10. Ecological Principles

Ecosystem replacement - replaces the original community with a different one

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#Unit 8. Inheritance Biology

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#Id: 4922

#Unit 1. Molecules and their Interaction Relevant to Biology

Therefore, at fixed [S0], a plot of 1/v0 against [Io] (the Dixon plot) is linear. When [Io] = -Ki , it can be seen that 1/v0 = l!V max and is therefore independent of [S0], so Dixon plots for different values of [So] (but fixed [Eo]) intersect where [lo] = -Ki