3.1 Chemical Compounds in Cells

A substance that cannot be broken down into simpler substances

• element

• compound

• atom

• protein

When two or more elements combine chemically it forms a(n)

• compound

• element

• amino acid

• lipid

An energy-rich organic compound, such as a sugar or a starch, that is made of the elements carbon, hydrogen, and oxygen.

• carbohydrate

• protein

• enzyme

• DNA

Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.

• lipid

• carbohydrate

• protein

• RNA

Large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur (high protein foods include meat, eggs, fish, and nuts)

• protein

• enzyme

• amino acid

• nucleic acid

Smaller molecules that make up protein molecules: (the building blocks of proteins)

• amino acids

• carbs

• enzymes

• DNA

A type of protein that speeds up a chemical reaction in a living thing

• enzyme

• RNA

• element

• lipid

Long organic molecules made of carbon, oxygen, hydrogen, nitrogen, and phosphorus and contain the instructions that cells need to carry out all the functions of life

• nucleic acid

• protein

• enzyme

• lipid

The genetic material that carries information about an organism and is passed from parent to offspring (deoxyribonucleic acid)

• DNA

• RNA

• protein

• compound

A nucleic acid that plays an important role in the production of proteins (Ribonucleic acid)

• RNA

• DNA

• protein

• enzyme