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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 03:00
20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous βlondon fog? β what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?
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Biology, 22.06.2019 08:00
Which feature of a human community is similar to a niche in a biological community
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Biology, 22.06.2019 13:00
Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.
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What are substances made in a chemical reaction?...
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