An original section of dna has the base sequence agcgttaccgt. a mutation in this dna strand results in the base sequence aggcgttaccgt. this change represents a point mutation a silent mutation frameshift mutation a missense mutation

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).