Errors sometimes occur when dna duplicates itself. why might that be a good thing

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.

Does mitochondria still meet the definition of a eukaryote why or why not?

Which level of consumer had access to the smallest apply of energy