_______ are proteins that help in the defense of the body against germs, and _______ is a protein that assists with blood clotting.

Give a familiar example of a nucleic acid.

Is cellulose a monosaccharide, a disaccharide, or a polysaccharide?

Which type of lipid would a polar bear need a lot of to keep it warm?

Although macromolecules are gigantic, they are all built out of smaller building blocks. The building blocks used to assemble proteins are called amino acids. What is the name of the building blocks used to build carbohydrates?

A unit used to measure the energy content of food.

Reactions in which an energy-requiring reaction occurs simultaneously with an energy-releasing reaction.

The second law of thermodynamics says when one form of energy is converted to another, there is always a loss of usable energy in this form.

The energy needed to cause molecules to react with one another.

A series of reactions in which the product of each step becomes the reactant of the next step.