Through what process do the cells of the blastocyst develop into all of the
cells of a growing fetus's organ systems?
A. Implantation
B. Fertilization
C. Differentiation
D. Meiosis

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

dna is a set of a gene held together by a chemical bond