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Biology, 21.06.2019 17:20
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, 23.06.2019 02:00
Name the structure in the nucleus that contains the ribosomes
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Biology, 23.06.2019 02:30
Mercury had an average distance to the sun of 0.39 au explane how to calculate the orbital period of mercury and then calculated it
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Plants use the energy of sunlight to...
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