Question

question 6
which of these describes a polymer?
a molecule with a polar head and nonpolar tails
a molecule that catalyzes a reaction in living organisms
a large molecule made of smaller subunits
a molecule composed of hydrogen, carbon, and oxygen

Explanation:

Polymers are macromolecules formed by the repetition of smaller units called monomers. A molecule with a polar head and non - polar tails describes a lipid - like structure. A molecule that catalyzes a reaction in living organisms is an enzyme. A molecule composed of hydrogen, carbon, and oxygen could be many organic compounds like carbohydrates or fats, but not specifically a polymer.

Answer:

a large molecule made of smaller subunits