Module 2 Vocabulary

4. when 2 or more peptides in their tertiary structure are bonded together they form the _____ of a protein (2 words)
8. a large molecule composed of similar units bonded together
9. a covalent bond between two amino acids (2 words)
11. a positively charged ion
12. a polymer of 2 or more amino acids
14. a negatively charged ion
15. a molecule that participates in a chemical reaction involving an enzyme
16. energy related to the motion of an atom or molecule (2 words)
20. any molecule that binds to a protein
21. _____ molecules are attracted by water
24. a process in which molecules react to form new molecules with different compositions (2 words)
25. a measure of the mean kinetic energy of a system
26. a substance that increases the rate of a reaction without itself being consumed by that reaction
27. a protein that speeds up a chemical reaction by reducing the energy needed for the reaction to occur

1. hydrogen bonding between r-groups forms the _______ of a protein (2 words)
2. a bond with unequal sharing of electrons, giving one atom a partial positive charge and the other a partial negative charge (3 words)
3. a weak attraction between a hydrogen atom in one molecule and an atom with a partial negative charge in another molecule (2 words)
5. _____ molecules are repelled by water
6. a region of an enzyme that binds a substrate during a reaction (2 words)
7. the ability of a protein to bind a specific type of molecule (2 words)
8. ______ of a protein is the sequence of amino acids in a peptide (2 words)
10. one or more secondary structures connected by hydrogen, ionic, or covalent bonds forms the _____ structre of a protein(2 words)
13. a large molecule composed of one or more peptides folded into a complex structure
17. a bond with equal sharing of electrons (3 words)
18. a region of an enzyme that binds a ligand which is not a substrate (2 words)
19. when one atom lends an electron to another atom, resulting in the now negatively and positively charged atoms being attracted to each other (2 words)
22. a small molecule that bonds to similar molecules to form a polymer
23. the likelihood that two molecules will interact, stemming from the electrical properties of their atoms (2 words)