Download Possible Essay questions for the AP Bio Biochemistry Unit

AP Bio - Brown 2021
AP Bio Unit One Exam
Possible Long Answer questions (2)
1. Discuss the biological importance of each of the following organic compounds in relation to
the cellular structure and function in plants and animals.
a. Carbohydrates
b. Proteins
c. Lipids
d. Nucleic Acids
2. Discuss the specificity & induced fit model of enzyme - substrate interaction, giving a specific
example to illustrate the theory. Include in your discussion the effects of each of the
following.
a. Substrate concentration
b. pH shifts
c. Temperature shifts
d. competitive inhibition.
3. Water is important for all living organisms. The functions of water are related to its physical
properties.
a. Describe how the properties of water contribute to TWO of the following
i.
How water is able to travel upward from the roots to the leaves of a plant
against gravity
ii.
The ability ofwater to moderate temperature within living organisms and
in organisms’ environments.
iii.
Why it makes such a great solvent for living things
4. Proteins, large complex molecules- are major building blocks of organisms. The physical
structure of protein often reflects and affects its function.
a. Describe THREE types of chemical bonds/interactions found in proteins and describe
how they relate to protein structure.
b. Describe how the structure of protein affects the function of two of the following
i.
Enzymes
ii.
Antibodies
iii.
Hormones/neurotransmitters
5. Enzyme Inhibitors are very important in the regulation of biological processes.
a. Explain the difference between
i.
How competitive and noncompetitive inhibitors work
ii.
Explain Feedback inhibition.
1. Give an example of a real life process that relies on this process
iii.
Give an example of a medication that works as an inhibitor.
1. Explain how it works.
6. Mutations in nucleic acids can lead to changes in protein structure.
a. Explain how nucleic acids and proteins are linked biologically.
b. Diagram a missense/point mutation
c. Explain using your knowledge of R-group bonding in the 3D structure of protein how
this could render the protein useless.