Answers: 3
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.
Answers: 1
Biology, 22.06.2019 07:50, jadejordan8888
45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.
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Biology, 22.06.2019 09:40, brownsade1648
What is the main fuel source for the work of the cell
Answers: 2
a) If Earth's history has lasted 4.6 billion years (4600 million years), and one calendar year has 3...
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