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Biology, 21.06.2019 17:20, owensdonld
The trp operon in e. coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.
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Biology, 22.06.2019 00:30, quigley523
What was the land like over 500 million years ago? what was under the sea?
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Which processes form glaciers? a. impact and deflation b. plucking and abrasion c. deposition and e...
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