BCH 361 FINAL EXAM UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
Question:
1. What are the primary nitrogen carriers/transfer agents
in the body?
Answer:
Glutamate and Glutamine
Question:
2. Transamination general reaction:
Answer:
Double bond O is replaced with NH3+ and an H is added.
Question:
3. What does THF stand for?
Answer:
Tetrahydrofulate
Question:
4. Match the 1-C transfer agents to its group: SAM
Answer:
CH3
Question:
4. Match the 1-C transfer agents to its group: Biotin
Answer:
CO2
Question:
4. Match the 1-C transfer agents to its group: THF (folic
acid)
Answer:
Various 1-C groups
, Question:
5. Ketogenic AAs directly degrade into what molecule?
In what situations would this occur?
Answer:
Directly degrades into acetyl-CoA when ketone bodies are needed. In some
cases can occur for FA synthesis, but this in less likely.
Question:
6. Glucogenic AAs can be used in what pathway? What
does this pathway produce?
Answer:
Neo. Glucose.
Question:
7. Where does the cycle take place? (Urea Cycle)
Answer:
Liver.
Question:
8. What is the first product? The last? (Urea Cycle)
Answer:
Carbamoyl Phosphate. Urea.
Question:
9. ___ and ___ combine to make the first product.(Urea
Cycle)
Answer:
CO2 and NH4+
Question:
10. What is the key enzyme seen in the first step? (Urea
Cycle)
Answer:
Carbamoyl phosphate synthetase
AND CORRECT ANSWERS
Question:
1. What are the primary nitrogen carriers/transfer agents
in the body?
Answer:
Glutamate and Glutamine
Question:
2. Transamination general reaction:
Answer:
Double bond O is replaced with NH3+ and an H is added.
Question:
3. What does THF stand for?
Answer:
Tetrahydrofulate
Question:
4. Match the 1-C transfer agents to its group: SAM
Answer:
CH3
Question:
4. Match the 1-C transfer agents to its group: Biotin
Answer:
CO2
Question:
4. Match the 1-C transfer agents to its group: THF (folic
acid)
Answer:
Various 1-C groups
, Question:
5. Ketogenic AAs directly degrade into what molecule?
In what situations would this occur?
Answer:
Directly degrades into acetyl-CoA when ketone bodies are needed. In some
cases can occur for FA synthesis, but this in less likely.
Question:
6. Glucogenic AAs can be used in what pathway? What
does this pathway produce?
Answer:
Neo. Glucose.
Question:
7. Where does the cycle take place? (Urea Cycle)
Answer:
Liver.
Question:
8. What is the first product? The last? (Urea Cycle)
Answer:
Carbamoyl Phosphate. Urea.
Question:
9. ___ and ___ combine to make the first product.(Urea
Cycle)
Answer:
CO2 and NH4+
Question:
10. What is the key enzyme seen in the first step? (Urea
Cycle)
Answer:
Carbamoyl phosphate synthetase