to what extent do enzymes affect the energy of the reaction in the following: reactants, activation point, and products

What are two reasons for why a species might disappear from the fossil record?

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?

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