Biology Vocab

2. a chemical bond formed between 2 ions with opposite charges.
4. a measure of the hydrogen ion concentration of a solution.
6. the building blocks of all biological proteins
8. macromolecular biological catalysts.
15. a substance capable of initiating or speeding up a chemical reaction.
16. a substance made up of atoms with the same number of protons.
17. very large and complex organic molecules that contain the genetic code for that organism.
18. a chemical reaction in which 2 molecules combine to form a larger molecule with the elimination of small molecule.
21. like a key into a rock, only the correct size and shape of the substrate(key) would fit into the active site(key Hole) of the enzyme.
23. naturally occurring molecules that include fats, waxes,fat-soluble vitamins, and others.

1. the basic unit of matter.
3. a chemical reaction that builds up molecules by losing water molecules.
5. natural compound of carbon, hydrogen, and oxygen.
7. a chemical bond formed by the sharing of 1 or more electrons.
9. a molecule that may react chemically to another molecule of the same type.
10. larger biological polymers which are made up of smaller monomers linked together.
11. a molecule composed of polymers and amino acids joined together by peptide bonds.
12. the sticking together of alike molecules.
13. a chain of 2 or more simple sugars.
14. a weak chemical bond between an electronegative atom and a hydrogen atom.
19. a substance made up from many smaller sub-unit, especially joined together.
20. the sticking together of unlike molecules.
22. smallest unit of an element or compound, made up of 2 or more atoms.