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8. Tay-Sachs disease is caused by deficiency of_____.(A) ceramidase (B) sphingomyelinase (C) beta-ga
問題詳情
8. Tay-Sachs disease is caused by deficiency of_____.
(A) ceramidase
(B) sphingomyelinase
(C) beta-galactosidase
(D) hexaminidase A
(E) alpha-fucosidase
參考答案
答案:D
難度:
計算中
-1
書單:
沒有書單,新增
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7. For different IgG molecules, antibody diversity is generated by_____.(A) alternative splicing of
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9. Which amino acid is the substrate for NO synthetase to form nitric oxide (NO)?(A) Glutamine. (B)
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10. Cholesterol can act as a precursor for each of the following compounds except_____.(A) chenodeox
11. The p53 gene (tumor suppressor gene) product is_____.(A) a G protein (B) a DNA-binding protein (
12. Pyridoxal phosphate is a cofactor for which of the following enzymatic reaction?(A) Fixation of
13. Which of the following enzymes converts stearoyl-CoA to oleoyl-CoA?(A) △5desaturase. (B) △6desat
14. All of the following compounds are intermediates of the Kreb cycle except_______ .(A) isocitrate
15. If the numbering of fatty acids in the carboxyl carbon is number 1, which carbon in palmitic aci
16. The following techniques could be potentially employed as a tool in gene therapy except_______ .
17. In glycoproteins, the carbohydrate moiety is always attached through the amino acid residues____
18. Sphingosine is not a component of_______.(A) cardiolipin (B) ceramide (C) cerebrosides (D) gangl
19. The ion channel that opens in response to acetylcholine is an example of a ____________ signal t
20. A monoclonal antibody differs from a polyclonal antibody in that monoclonal antibodies_______.(A
21. Below is a diagram of two DNA strands that are part of the coding region of gene.What is the seq
22. The human genetic disease phenylketonuria (PKU) can result from_______.(A) lack of phenylalanine
23. Which of the following descriptions is not correct?(A) The leucine zipper motif is important for
24. “The knock-out mice” is an important animal model for biomedical research. One of the most impor
25. If a sample of DNA is found to have the base composition (molar ratios) of adenine, 40; thymine,
26. Which of the following statements concerning cyclins is not correct?(A) They catalyze the phosph
27. That the nature of genetic material is DNA is based on_______ .(A) the transforming material is
28. Which one of the following statements relating to the common amino acids is correct?(A) Glutamin
29. Which one of the following statements relating to lipids and membrane is correct?(A) The non-pol
30. In a tissue that metabolizes glucose via the pentose phosphate pathway, carbon number 1 of gluco
31. Which one of the following statements relating to proteins is correct?(A) All proteins have quat
32. The Type II glycogen disease (Pompe’s disease) is lack of _______.(A) glucose-6-phosphatase (B)
33. Severe combined immunodeficiency disease (SCID) is caused by deficiency of_______.(A) adenosine
34. Which one of the following statements about natural fatty acids is correct?(A) Molecules with od