You've been studying biology in the library for the last couple of hours when you realize that you're getting really hungry and thirsty. Which brain structure played a key role in triggering feelings of hunger and thirst?

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 geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Which beat describes the brain stem