One factor in hunger seems to be the increase in which causes blood sugar levels to eventually drop several hours after we eat.

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.

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center