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3. the structural component of plant cell walls
4. a protein that speeds up a chemical reaction without being changed
7. sugars used for short term energy as well as structure
9. something that increases the speed of a chemical reaction without being changed by the reaction
11. a protein found in red blood cells that binds and transports oxygen
12. simple sugar
13. building block subunit of proteins
15. the site on an enzyme that attaches to its substrate
17. a single stranded chain of nucleotides that play a role in protein synthesis
19. used for construction materials and chemical reactions in the body
20. nonpolar molecules, fats & oils, used for long term energy

1. short term store of energy in ANIMALS by linking glucose molecules together forming a branched chains
2. the subunit in which DNA and RNA chains are made
5. a macromolecule that stores genetic information and is made of three parts, a sugar, a phosphate, and a nitrogenous base
6. the molecule in living organisms that contains inheritable information
8. organic compounds with a characteristic molecular structure containing four rings
10. the substance an enzyme acts on
14. short term store of energy in PLANTS by linking glucose molecules together forming a chain
16. a protein hormone that regulates blood glucose levels
18. the compound that is the energy currency of the cell