Which statement best describes the role of mRNA in protein synthesis in human cells A. stores the genetic code in the nucleus

B. Copies the genetic code from the DNA molecule and carries it to the ribosome

C. carries an amino Love ya to the ribosome

D. splits the DNA molecule into two strands

B

Explanation: Hope this helps :)

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products