Macromolecules

1. A type of bond that forms when electrons are transferred from one atom to another
4. Attraction between molecules
10. Individual pieces of a macromolecule
11. Type of bond that forms when atoms share electrons
14. Long term energy storage in animals
15. Main source of energy in living organisms
16. A single simple sugar
17. A pure substance that is made of only one type of atom

2. Attraction between molecules of the same substance
3. A long chain of three or more simple sugars connected in a chain
5. Breaking apart molecules by adding a water
6. Combining molecules by removing water
7. Provide a function in cells
8. The main unit of cell membranes that are made up of a hydrophilic head and two hydrophobic tails
9. A long chain of amino acids
12. The smallest units that make up molecules
13. The entire macromolecule made up of multiple pieces