Which statement correctly describes an interaction of the respiratory and
circulatory systems?

Which figures of speech appear in this excerpt from john keats’s “ ode to autumn “?

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.

Give an example of a trait that is controlled by more than one gene.