Which of these describes a polymer? A. large molecule made of smaller subunits
b. molecule with a polar head and nonpolar tails
C. a molecule that catalyzes a reaction in living organism
D. a molecule composed of hydrogen, carbon, and oxygen

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 type of transport is responsible for oxygen entering into blood cells? a. vesicle b.passive c. facilitated d.active b.passive

Which is not displayed on the graph