PART ONE

Read pages 32-39 in your text. Using the word bank, fill In the blanks to complete the following paragraph that relates back to what we have just read.

REUSEABLE	CARBON	INORGANIC	CATALYSTS	SUBSTRATE
ONE	PROTEINS	RINGS	STRONG	FOUR
MONOMERS	CARBOHYDRATES	REDUCING	ACTIVE SITE	POLYMERS

Organic chemistry is different from 1. _____________________ chemistry because organic

compounds contain lots of 2. _____________________. Carbon is the element of life because it is a small atom and it form

3. _____________________ covalent bonds. These covalent bonds are very 4. _____________________. Carbon can make

a variety of molecules that are very complex. They can form chains, 5. _____________________ and loops.

Macromolecules are large organic molecules. They are made up of individual pieces called 6. __________________

When a number of these individual pieces are bonded together, they form this general name for macromolecules

7. _____________________. There are four groups of macromolecules, they are the lipids, 8. _____________________

9. _____________________ and the nucleic acids.

Some proteins speed up reactions by acting as organic 10. _____________________. These enzymes do their jobs

by 11. _____________________ the amount of energy needed to get a chemical reaction started in a living system. The

chemicals that an enzyme catalyzing are called 12 _____________________. These chemicals attach to the enzyme at the

enzymes 13. _____________________ site. Although there are many reactions that need enzymes, there is only

14. _____________________ enzymes for each reaction. There is only a small amount of each enzyme because they are

15. _____________________

PART TWO

16. What is the difference between organic and inorganic chemistry?

17. How are enzymes like a lock and key?