In biology, an adaptation is defined as

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.

As a small change in a person's dna can cause a genetic disorder

What is the difference between how ionic and covalent bonds form