Lesson 3: Chemcial Compounds In Cells Flashcards
1
Q
Element
A
Any substance that cannot be broken down into simpler substances
2
Q
Compound
A
Forms when two or more elements combine chemically
3
Q
Carbohydrate
A
Energy-rich organic compounds made of the elements carbon, hydrogen, and oxygen
4
Q
Lipid
A
Compounds that are made mostly of carbon and hydrogen, and in som cases, oxygen (fats and oils)
5
Q
Protein
A
Large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
6
Q
Enzyme
A
Speeds up chemical reactions in living things
7
Q
Nucleic acid
A
Very long organic molecules
8
Q
DNA
A
The genetic material that carries information about an organism and is passed from parent to offspring
9
Q
Double helix
A
The shape of a DNA molecule
