1. Buffers are substances that help resist shifts in pH by
A) Releasing H+ to a solution when acids are added
B) donating H+ to a solution when bases are added
C) releasing OH- to a solution when bases are added
D) accepting H+ from a solution when acids are added
E) both donating H+ to a solution when bases are added and acids are added
2. Deductive reasoning involve
A) Reasoning from general to particular
B) Reasoning from particular to general
C) Generalizing the results to population
D) None of the above
3. There are 20 different amino acids. What makes one amino acid different from another?
A) Different side chains (R groups) attached to a carboxyl carbon
B) different side chains (R groups) attached to the amino groups
C) Different side chains (R groups) attached to a carbon
D) different structural and optical isomers
E) different asymmetric carbons
4. Which bonds are created during the formation of the primary structure of a protein
A) peptide bonds
B) Hydrogen bonds
C) disulfide bonds
D) phosphodiester bonds
E) peptide bonds, hydogen bonds, and disulfide bonds
5. Which level of protein structure do the a-helix and the b-pleated sheet represent?
A) Primary
B) Secondary
C) Tertiary
D) Quarternary
E) primary, secondary, tertiary, and quarternary
