Endocrine system exerts master control over the

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

What is the one part of the nucleotide  that differs among the other different nucle  tides?