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According to the table, the four families of macromolecules found in living organisms are carbohydrates, proteins, _______ , and _______ .

Give a familiar example of a nucleic acid.

Which category of lipids includes sex hormones like estrogen and testosterone?

All of these macromolecules contain carbon and hydrogen atoms. What is another element that all macromolecules contain? (Type the entire word.)

A unit used to measure the energy content of food.

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

The first law of thermodynamics says this cannot be created or destroyed, but can be changed from one form to another.

A ball rolling down a hill is demonstrating this type of energy of motion.

The organelle where most ATP is made.

A protein that speeds up a chemical reaction.