If an organism has alleles bb it is

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 flexible structure that supports the nerve cord and led to the backbone

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism