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vocabsection3
science section 3
Question | Answer |
---|---|
The smallest unit of an element | atom |
When two or more elements chemically combine | compound |
Most compounds that contain carbon | organic compounds |
Compounds that don't contain carbon | inorganic compounds |
An energy-rich compound made of the elements carbon, hydrogen, and oxygen.Ex-sugar and starches | carbohydrate |
Energy-rich organic compounds made of carbon, hydrogen, and oxygen.Cells store energy in blank for later use. Blank contain more energy than carbohydrates. | lipids |
Large organic molecules made up of carbon, hydrogen,and, in some cases, sulfur. | protein |
Protein molecules are made up of smaller molecules called blank | amino acids |
A type of protein that speeds up a chemical reaction in a living thing | enzyme |
Very long organic molecules made up of carbon, oxygen, hydrogen, nitrogen, and phosphorus.Also contains the instructions that cells need to carry out all the functions in life | nucleic acids |
The two types of nucleic acids | DNA and RNA |