1. Define homeostasis and give an example. How does the body maintain homeostasis? 2. What are the top 6 elements found in all living things and what are the 4 MOST COMMON organic elements found in all living things? 3. Explain why carbon is important to life? Provide examples. Include the types of bonds carbon forms? 4. Describe the difference between monomers, polymers, polypeptides, nucleotides. 5. What are the 4 main classes or types of macromolecules? 6. What is the monomer that makes up each class of macromolecule and what type of bonds link the monomers? 7. Make a chart. The 4-headings are: carbohydrates, lipids, proteins, and nucleic acids. In the chart, you are to include: · Characteristics · Elements · Structure, function, uses · Examples · monomers/polymers/bonds, (Subunits) 8. Provide examples of monosaccharaides, disaccharides, and polysaccharides. 9. Compare and contrast the polysaccharides: glycogen, starch, chitin, cellulose 10. Compare and contrast saturated, unsaturated, and trans-fatty acids. 11. What is the simplest type of fat? 12. What are the monomers of nucleic acids? 13. What are the subunits of fats? 14. Describe the 4 different levels of protein structure. 15. What happens when a protein is denatured and what factors can result in protein denaturation? 16. What is the function of an enzyme? 17. What does a catalyst (enzymes) do to activation energy? Draw a graph 18. What is the definition of a substrate? How do enzymes interact with substrate? 19. Draw and label a nucleotide. 20. In reference to proteins, what is meant by side groups, R, in amino acids?