The overall purpose of enzymes in DNA replication is to – synthesize a polysaccharide chain.
synthesize a polysaccharide chain.

catalyze events in the DNA replication process
catalyze events in the DNA replication process

create new cells with identical RNA strands
create new cells with identical RNA strands

promote cell growth and repair.

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center