Question

Given their size and complexity, biological molecules such as carbohydrates, proteins, lipids, and nucleic acids can also be referred to as ____________.

Answer 1

macromolecules

Answer 2

They're macro-molecules because they are not simply just molecules, they're all a bunch of molecules put together. They're built up of what we call monomers which are kind of like lego pieces. When you take a bunch of monomers and attach them together, that's when you start to get proteins, lipids, etc which are called polymers..

Answer 3

Hope that helps with your answer choices :)