5 Written Questions

1. subunit of a lipid; long hydrocarbon chain
2. Lipid/fat molecule that functions in long term energy storage
3. Complex Carbohydrate; energy storage in animals
4. lipid molecule
5. protein in red blood cells that carries oxygen to cells throughout the body

5 Matching Questions

1. insulin
2. active site
3. enzyme
4. nucleic acid
5. Cellulose

1. a Complex Carbohydrate; structural support in plants
2. b protein molecule that catalyzes chemical reactions by binding to a substrate
3. c protein secreted by pancreas that signals to cells to take in glucose from the blood stream
4. d organic molecule that stores/carries hereditary information; DNA and RNA
5. e area on enzyme where substrate binds in a lock and key fit

5 Multiple Choice Questions

1. subunit of nucleic acids
   1. nucleic acid
   2. nucleotide
   3. steroid
   4. Lipid
2. Energy required to initiate a chemical reaction
   1. amino acid
   2. fatty acid
   3. Activation Energy
   4. active site
3. Organic molecule that functions in short term energy storage
   1. active site
   2. Carbohydrate
   3. triglyceride
   4. substrate
4. lipid; main component of plasma membrane
   1. Lipid
   2. phospholipid
   3. Protein
   4. insulin
5. Carbon containing compounds that make up living things; four classes of organic molecules are CARBOHYDRATES, LIPIDS, PROTEINS, AND NUCLEIC ACIDS
   1. Protein
   2. Lipid
   3. Organic
   4. insulin

5 True/False Questions

1. substrate → lipid molecule

   True        False

2. Buffer → substance that helps a solution resist a change in pH

   True        False

3. amino acid → subunit of protein

   True        False

4. Lipid → lipid molecule

   True        False

5. wax → Complex Carbohydrate; energy storage in plant cells

   True        False