Which of the following must occur before DNA replication can take place?

Which of the following systems in absorbing oxygen and releases carbon dioxide

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?

Aclient experiencing hallucinations tells a nurse, "the voices are telling me that i am evil." the client asks whether the nurse hears the voices. what is the most appropriate response by the nurse