SI Session 09/12/14
Remember to take good notes. I’m not reviewing EVERY single thing she says. I’m
only reviewing the most important material you will absolutely need to know for
like 98% of the test. She could always slip by a couple questions I don’t talk about.
More tips: Focus on this class. Chances are that BY 123 and BY 124 will be your
toughest classes for each semester. Pay attention in class and always give your best
effort every single night.
1. Which of the following is not a protein?
A) hemoglobin
B) cholesterol
C) an antibody
D) an enzyme
E) insulin
2. The structural level of a protein least affected by a disruption in hydrogen
bonding is the
A) primary level.
B) secondary level.
C) tertiary level.
D) quaternary level.
E) All structural levels are equally affected.
3. Which of the following statements concerning unsaturated fats is true?
A) They are more common in animals than in plants.
B) They have double bonds in the carbon chains of their fatty acids.
C) They generally solidify at room temperature.
D) They contain more hydrogen than saturated fats having the same number of
carbon atoms.
E) They have fewer fatty acid molecules per fat molecule.
4. Choose the pair of terms that correctly completes this sentence:
Nucleotides are to ________ as ________ are to proteins.
A) nucleic acids; amino acids
B) amino acids; polypeptides
C) glycosidic linkages; polypeptide linkages
D) genes; enzymes
E) polymers; polypeptides
5. Review: Write the formula for a monosaccharide with 5 carbons. Write the
formula for a hydrocarbon with 5 carbons.
6. Review: A cow is given antibiotics to kill a bacterial infection in his body;
afterwards, the vet gives the cow a drink containing various prokaryotes and
protists. Why does he need to do this?
7. Review: Compare the structure of a fat with that of a phospholipid.
8. Review: Which macromolecule accounts for 50% of the dry mass of most cells?
9. Remember that a peptide can be made of just two amino acids, a polypeptide is
made up of several amino acids, and a protein can be a polypeptide or more as long
as it folded and coiled into a viable 3D structure.
10. The physical and chemical properties of the side chains (R group) in amino acids
determines which level of protein structure? Stress Figure 5.20
A) primary structure
B) secondary structure
C) tertiary structure
D) quaternary structure
E) just C and D
F) all of the above
11. Review from class: What are fibrous proteins? What are globular proteins?
12. Remember analogy: polypeptide isn’t synonymous with protein; even for a
protein consisting of 1 polypeptide, the relationship is like that of a long strand of
yarn (polypeptide) and a sweater (complex and folded protein) that is knit from the
yarn. Remember structure of protein = function of protein.
13. T/F Protein structure does NOT depend on the physical and chemical conditions
of the environment.
14. What is it called when the protein unravels and loses its native shape?
15. Nucleic acid is to polymer as ______________ is to monomer.
16. Name the 2 types of nucleic acids.
17. Understand basics of Figure 5.25.
18. What does a nucleotide consist of? Be able to visualize it.
19. Name all nitrogenous bases. Which ones are pyrimidines? Which ones are
purines? What binds to what? How to they bind?
20. What is a nucleoside?
21. What and where is the linkage between nucleotides?
22. What does antiparallel mean? Know what 5’ to 3’ and 3’ to 5’ means.
Ask class if they still need review on Chapter 5 or the rest of the chapters on
Monday. I can always ask Dr. Raut if a certain type of question will be on the test.