GIVEAWAY'S ALL DAY TODAY

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.

Which would be the most useful source of evidence to support mcneill's contention?

Nh3 +02-no + h20 is unbalanced what is the balanced equation