Name _________________________
Ch 3 Quiz
1. Two compounds with the same formula but different structures are called what? (1)
Isomers
2. Organic compounds (1)
A) always contain nitrogen.
B) are synthesized by only animal cells.
C) always contain carbon.
D) can only be synthesized in a laboratory.
E) always contain oxygen.
3. What type of reaction is required to break a polymer and what kind of reaction is
required to make a polymer? (2)
a. Reaction that breaks polymers ___hydrolysis________________________
b. Reaction that makes polymers ___________dehydration__________
4. Name the 4 of the 6 following functional groups (2)
a. OH- hydroxyl
b. C=O- carbonyl
c. COOH- carboxyl
d. NH2- amino
e. OPO32-- phosphate
f. CH3- methyl
5. What is the difference between a saturated and an unsaturated fatty acid? (1)
Saturated fats do not have double bonded C and have the max number of H possible.
Unsaturated have double bonds and not the max number of H possible.
6. Amino acids are monomers for which biological molecule? (1)
proteins
7. At what level of protein structure is the overall three-dimensional shape determined?
(1)
Third
8. What has happened to a protein that has been denatured? (1)
Structure unwinds.