Biochemistry Exam (Finals)
Name:_________________________________ Section:_________________________
Time Started:_______ End:____________
I. Identification: Identify what is asked for. Write your answers in CAPITAL LETTERS on the
space provided before each number.
__________________________ 1.The building block of protiens.
__________________________ 2. An amino acid contains an acid group and an ______ group.
__________________________ 3. Only ____ amino acids are used in protien synthesis.
__________________________ 4. This refers to an amino acid with both positive and negative
regions.
__________________________ 5. There are ____ non polar amino acids.
__________________________ 6. There are ____ polar amino acids.
__________________________ 7. There are only 2 acidic amino acids namely _____ and aspartic
acid.
__________________________ 8. The basic amino acids are ____________,
__________________________ 9. ____________________, and
__________________________ 10. ___________________.
__________________________ 11. These are protiens found in animals that usually serve as structural
entities.
__________________________ 12. Protiens that serve as transporters and are usually water soluble.
__________________________ 13. This structure is decribes as a tightly woumd, spring, rod-like
structure.
__________________________ 14. This is the protien found in hair and nails.
__________________________ 15. The other major secondary protien structure in extended parallel
lines.
__________________________ 16. These substances alter the rate of chemical reaction without
themselved getting consumed in the reaction.
__________________________ 17. This type of enzyme catalyzes redox reactions.
__________________________ 18. Enzymes that catalyzes hydrolisis.
__________________________ 19. The joining of 2 molecules are catalyzed by _________________.
__________________________ 20 The lock and key model of enzyme catalysis equates to the enzyme
and the _____________.
__________________________ 21. Originally referred to as hydrates of carbon as a result of the
process of photosynthesis.
__________________________ 22. Simple sugars are also known as ____________
__________________________ 23. Carbon 1 in a pryanose structure is also known as an ___________
carbon.
__________________________ 24. The difference between a ribose and a deoxyribose can be
observed in carbon number ________.
__________________________ 25. An alpha or a beta linkage betwween di-sachharides is usually
found between carbon 1 and ___.
II. Name the following structures on the space provided before each number. Common names are
accepted.
1. ___________________________
2. ___________________________
3. ___________________________
4. ___________________________
5. ___________________________
III. Explain in a nutshell.
1. Given that the Philippines primary staple food is rice, a carbohydrate loaded food source, why is
obesity still not as rampant as that of other nations like the United States?
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2. Cellulose can only be digested by termites and ruminants because ____________________________
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3. Lipids can be found in animal fat and avocadoes. How are they different?______________________
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Prepared by:
Eddierik U. Tomas
Biochemistry Instructor
