Before a cell divides, its DNA must be replicated without errors so that the genetic codes for proteins are expressed properly. In cells, which have linear chromosomes, replication occurs in locations and ends when all the chromosomes are copied. In prokaryotic cells, which have DNA, replication starts in only a single location and proceeds until the entire chromosome is copied

answer; i believe the correct answer is (anemia);

answer: all : )

explanation:

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

the endomembrane system i think