Why it MATTERS

3. a single saccharide
6. two saccharides linked together
7. two or more atoms joined together by a chemical bond
10. thousands of amino acids connected lengthwise to form a chain
13. anything that occupies space and has weight
15. can't be broken down into simpler substances
16. used by the body to store energy
17. a simple unit of a carbohydrate
18. consists of carbon, oxygen, hydrogen and nitrogen that join together in chains to form proteins
19. union of two amino acid groups

1. Biochemical compounds that help the body construct and renew itself
2. Basic building-block molecules that connect with each other to form larger, more complex compounds
4. smallest complete unit of an element
5. the study of chemical reactions that occur within a living organism
8. triglycerides, fats and steroids are examples of these
9. Groups of monomers that bond together to create larger, more complex compounds
11. many saccharides linked to form larger, more complex molecules
12. different atoms combined
14. essential to all living systems