14. What is the coenzyme responsible for the addition of two single carbon in purine biosynthesis?(A
15. During the fasting or starvation, the brain will(A) convert endogenous fatty acids into B-hydrox
16. The pH of a blood sample is 7.4, while gastric juice is pH 1.4. Which of the following is true?1
17. What is the amino acid sequence of the following peptidestarting from the N-terminal end? (A) KD
18. Which of the following type of mutations is correctly defined?(A) silent: change of a single bas
19. An enzyme-catalyzed reaction was carried out with the substrate concentration initially a thousa
21. Post-ranslational modifications are critical for the regulation of biological processes. Which o
22. The Crispr/Cas9 is the approach using DNA damage and repair to modify the genomic DNA.Select the
23. Which of the following is known to be involved in transcription initiation by eukaryotic RNApoly
24. In transforming the Michaelis-Menten equation into a straight-line equation, y = mx + b, theLine
25. Transcription initiation requires the formation of pre-initiation complex (PIC). Which of follow
26. Which of the following antibiotics function by interfering with the translational process?1) Chl
27. Which of the following is true of the lac operon?1) It is negatively controlled via the lac repr
28. Which of the following is NOT an example of epigenetic regulation?1) X chromosome inactivation2)
29. Which one of the following descriptions about the electron number that can be transferred by one
30. Which one of the following enzymes catalyzes a reversible reaction that is an cquilibrium contro
31. Please order the following coenzymes according to their sequential involvement in the pyruvatede
32. Which three reactions catalyzed by the enzymes in the citric acid cycle have large negative AGva
33. Which one of the following descriptions about the property of uncouplers such as the uncouplingp
34. Which one of the following is the characteristic of the glycerophosphate shuttle?(A)It only oper
35. Please order the following components of malate-aspartate shuttle into an appropriate sequence.Ⅰ
36. Which of the following reactions is/are catalyzed by a transketolase in the pentose phosphatepat