What is meant by allele frequency? the number of generations in one population the rate at which alleles occur the number of species that have the same trait the time it takes alleles to change

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

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.