University of Perpetual Help System
Pueblo de Panay Campus
(036) 651 6133 / 09366719449 / 09511934309
www. uphsl.edu.ph
MC-2 BIOCHEMISTRY
ACTIVITY #1
LABORATORY: BIOENERGETICS
Name: __________________________________
Date: ___________
Year &Section: ___________________________
Score: __________
Direction: Read and understand each question. Answer each item that is being asked.
1. Classify anabolism and catabolism as synthetic or degradative processes
ANSWER: __________________________________________________________________________
2. What is a metabolic pathway?
ANSWER: __________________________________________________________________________
3. In a mitochondrion, what separates the matrix from the intermembrane space?
ANSWER: __________________________________________________________________________
4. Draw a block diagram structure for ATP.
ANSWER: __________________________________________________________________________
5. What is the structural difference between ATP and AMP?
ANSWER: __________________________________________________________________________
6. What is the structural difference between ATP and GTP?
ANSWER: __________________________________________________________________________
7. In terms of hydrolysis, what is the relationship between ATP and ADP?
ANSWER: __________________________________________________________________________
8. Draw a block diagram structure for FAD based on the presence of an ADP core (three-block diagram).
ANSWER: __________________________________________________________________________
9. Draw a block diagram structure for NAD⁺ based on the presence of two nucleotides (six-block diagram).
ANSWER: __________________________________________________________________________
10. Which part of an NAD⁺ molecule is the active participant in redox reactions?
Which part of an FAD molecule is the active participant in redox reactions?
ANSWER: __________________________________________________________________________
11. Give the letter designation for
a. the reduced form of FAD.
b. the oxidized form of NADH.
ANSWER: __________________________________________________________________________
University of Perpetual Help System
Pueblo de Panay Campus
(036) 651 6133 / 09366719449 / 09511934309
www. uphsl.edu.ph
12. Give the letter designation for
a. the oxidized form of FADH2.
b. the reduced form of NAD⁺.
ANSWER: __________________________________________________________________________
13. Name the vitamin B molecule that is part of the structure of a. NAD⁺ b. FAD
ANSWER: __________________________________________________________________________
14. Indicate whether or not the vitamin B portion of the following molecules is the “active” portion of the
molecule in redox processes. a. NAD⁺ b. FAD
ANSWER: __________________________________________________________________________
15. Draw the three-block diagram structure for coenzyme A.
ANSWER: __________________________________________________________________________
16. Which part of a coenzyme A molecule is the active participant in a redox reaction?
ANSWER: __________________________________________________________________________
17. What factors contribute to a strained bond in high-energy phosphate compounds?
ANSWER:___________________________________________________________________________