BIO506T Final Term Objective by Imtiaz Ahmad

Composed and Compiled

by Imtiaz Albaloshi:

Bio506-MCQS:

1. ​ In the 2nd stage of the Citric acid cycle____________is oxidized? Acetyl-co A
2. ​ Iron sulfur center is present in____________? Aconitase
3. ​ Lineweaver_Burk plot, has the great advantage of allowing a more accurate determination of__________? Vmax
4. ​ The hydrolysis of this high-energy thioester intermediate makes the forward reaction highly? Exergonic
5. ​ Competitive inhibitors do not decrease__________? Vmax
6. ​ The nearly tetrahedral arrangement of the orbitals about the oxygen atom allows each water molecule to form hydrogen bonds with as many as? 4
7. ​ A mixture of acetic acid and acetate ion constitute a___________? Buffer
8. ​ Which of the following is not used by Pyruvate dehydrogenase complexes as a coenzyme? GTP
9. ​ Which of the following is not the component pyruvate dehydrogenase complex? E4
10. ​A conjugate base in the buffer is a________? Proton acceptor
11. ​The yeast PDH complex has a_________lipoyl domain with a lipoate attached? 1
12. ​There is___________between the oxygen atom of one water molecule and the hydrogen of another? Electrostatic attraction
13. ​The transfer of electrons from NADH to oxygen generates how many molecules of ATP per pair of electrons? 2.5
14. ​Larger dissociation constants are associated with__________? Strong acids
15. ​For each pH unit less than________the [H*] has increased tenfold? 7
16. ​Any substance that can diminish the velocity of an enzyme-catalyzed reaction is called an____________? Inhibitor
17. ​A technique where a solution of known concentration is used to determine the concentration of an unknown solution is known as________? Titration
18. ​The ionization of water can be measured by its___________? Electrical conductivity
19. ​Isocitrate is__________carbon compound? 6
20. ​PDH complex composed of_________enzymes? 3
21. ​________cycle allows seeds to use lipids source? Glyoxylate
22. ​Equilibrium constants are? Multiplicative
23. ​FMN and FAD co enzymes catalyze oxidation reduction reactions? Flavoproteins