What was marshall nirenberg and heinrich matthaei’s contribution to our current understanding of the genetic code?
a.) discovery of codons
b.) discovery and extraction of dna
c.) creation of a model of dna
d.) creation of photo 51

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.