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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, 22.06.2019 13:00
This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient
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Biology, 22.06.2019 15:00
Why should organisms reproduce more offspring than will survive? select all that apply.
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Biology, 22.06.2019 20:30
Glands that the body deal with stress and respond to emergencies.
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If the half life of substance z is 2.5 years how long will it take for 48 grams of substance z to de...
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