When do animals cooperate with one another?

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

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?

What are the three groups of atoms that make up amino acids called