What are the major types of nutrients you can get from food

Anybody who knows ap biology, can you friend or message me

How does natural selection change thephenotypes within a population over time?

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?