Nitrogen fertilizers are used by plants to synthesize amino acids. State one reason why a supply of amino acids is important for the survival of complex organisms.

What is the m’naughten rule? how did this rule come into existence?

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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