Biochemistry Quiz (11) : Proteins,
Nucleotides, Nucleic Acids, Protein
Synthesis & Genetic Codes,
Porphyrins & Bile Pigments
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1. ก
ก Simple proteins?
A) Hemoglobins
B) Glycoproteins
C) Thyroid hormones
D) Bradykinin
2. 56 Proteins 89: transport ;:<ก...
A) Enzyme
B) Insulin
C) Collagen
D) Lipoprotein
3. กC9DE6:656 Protein 69
< F:6GH bond I?
A) Peptide bond <J Disulfide bond
B) Hydrogen bond
C) Hydrophobic bond
D) Electrostatic bond
4. Bond ก5CMN6OกกPFH56 group Q side chain 56 amino acid POR
F6กH5:P OHS bond I ?
A) Hydrophobic bond
B) Hydrogen bond
C) Electrostatic bond
D) Peptide bond
5. ก6FH56 polypeptide JHกUVM ก
; ?
A) α W helix
B) β W pleated sheet
C) HM65: A <J B YQกF:6
D) ;PP5:YQกF:6
6. DE6:656 protein Pก6FH<JC9
<
JH
[H
[:56 Amino acid residues polypeptide chain \6:ก;?
A) Primary structure
B) Secondary structure
C) Tertiary structure
D) Quaternary structure
Proteins / Nucleotides/ .. / Bile Pigments
7. Human insulin PO8 polypeptide ก:?
A) 1 :
B) 2 :
C) 3 :
D) Pกก 3 :5CM;
8. Polypeptide B W chain 56 human insulin
OP J (C W terminal) S amino acid P
Na.
A) Threonine
B) Alanine
C) Phenylalanine
D) Glycine
9. ก
PDE6:6<
Purine?
A) Adenine
B) Thymine
C) Uracil
D) Cytosine
10. ก
PDE6:6 <
Pyrimidine ?
A) Adenine
B) Thymine
C) Guanine
D) Xanthine
11. Caffeine Sก
PDE6:6\NMfP
Oกก
?
A) Adenine
B) Thymine
C) Guanine
D) Xanthine
12. 3, 7 W dimethylxanthine SQFDE6:6P
EN6NP ?
A) ก<h
B) C) DกDก:
D) M8:PEHM
13. Caffeine OP methyl group QFDE6:656
ก
O8กFH?
A) 1
B) 2
C) 3
D) 4
17
. 14. ก Purine pyrimidine bases
!"#$ก% D ' ribose deoxyribose *
ก"+,- ?
A) Nucleosides
B) Nucleotides
C) Nucleic acid
D) DNA RNA
15. Adenosine 9*:$:ก-$;<=$:?
A) Adenine + D ' ribose ?@A!: N1
B) Adenine + Deoxyribose ?@A!: N1
C) Adenine + D ' ribose ?@A!: N9
D) Adenine + deoxyribose ?@A!: N9
16. Cytidine 9*:$:ก-$;<=$:?
A) Cytosine + D ' ribose N1
B) Cytosine + Deoxyribose N1
C) Cytosine + D-ribose N9
D) Cytosine + Deoxyribose N9
17. ก Purine Pyrimidine bases !
"#$ก% D-ribose Deoxyribose @F phosphate
"<ก;! H
A) Nucleosides
B) Nucleotides
C) Nucleic Acids
D) DNA @F RNA
18. ก,AJAKL;!=?
A) Adenine
B) Guanine
C) Cytosine
D) Thymine
6-aminopurine
19. ก,AJAKL;!=?
A) Adenine
B) Guanine
C) Cytosine
D) Thymine
2-oxy-4-aminopurimidine
Proteins / Nucleotides/ .. / Bile Pigments
20. ก,AJAKJ 9*:$:"<ก;!=?
A) Xanthine
B) 1, 3, 7-trimethylxanthine
C) 1, 3-dimethylxanthine
D) 3, 7-dimethylxanthine
21. ก,AJAKT%-<J!,A"+,-
A) Purine
B) Pyrimidine
22. ก,AJAKL;!=?
A) Adenosine monophosphate
B) Guanosine monophosphate
C) Deoxyadenosine 5U 'monophosphate
D) Deoxyguanosine 5U 'monophosphate
23. Purine bases <WX:กT?Y;ก,-?
A) Adenine, Guanine, Thymine
B) Adenine, Guanine, Xanthine
C) Adenine, Thymine, Xanthine
D) Cytosine, Thymine, Uracil
24. Pyrimidine bases <WX:กT?Y;ก,-?
A) Adenine, Guanine, Thymine
B) Adenine, Guanine, Xanthine
C) Adenine, Thymine, Xanthine
D) Cytosine, Thymine, Uracil
18
. A) AMP
B) GMP
C) cAMP
D) cGMP
27. Deoxyadenylate ("#<A<!;! A) !;Aก
=$:?
A) Adenine, Ribose, Phosphate
B) Adenine, Deoxyribose, Phosphate
C) Adenosine, Ribose, Phosphate
D) Adenosine, Deoxyribose, Phosphate
28. Deoxyguanylate ("#<AL<!;! G) !;A ก
,-$:?
A) Guanine, Ribose, Phosphate
B) Guanine, Deoxyribose, Phosphate
C) Guanosine, Ribose, Phosphate
D) Guanosine, Deoxyribose, Phosphate
29. Cytidine !;Aก,-$:?
A) Cytosine, Ribose, Phosphate
B) Cytosine, Deoxyribose, Phosphate
C) Cytosine, Ribose
D) Cytosine, Deoxyribose
30. DNA aX:9*:$:"[A@"$A*J! (Double
strand) <X-"A<;ก%A-$;< bonds @,-?
A) Peptide bonds
B) Hydrogen bonds
C) Disulfide bonds
D) Electrostatic bonds
31. <#: DNA "[A Template Tก"<: %;@
,-?
A) 3U 5U phosphodiester bridge
B) 5U 3U phosphodiester bridge
32. กW!<-Y%Ae^กTก Template #: DNA =<%:
Daughter cells ก*%-Fก#$JF:Y%Ae^กT?=-$
,AJ@,-"[A==-$ก^-?
A) Semiconservative replication
B) Conservative replication
33. RNA 9*:$:@ ก !:ก% DNA F<ก
#$,-=!,L!#$@ ก !:@$Tg:?
A) RNA AK? F Ribose !;A DNA 2Udeoxyribose
B) Ribonucleotides #: RNA "[A Adenine,
Guanine, Cytosine @F Thymine
C) RNA "กg-,AF%กhi<"-<; (Single strand)
!;A DNA "[A@<*J! (Double strand)
D) RNA =!*J!T%ก%A*^ก %;"A"L!A DNA
34. #$JF,A Single strand #: RNA Tก"<: %;
#:%W!<W-Tก DNA ""<ก Single
strand %W!<-Tก DNA <%: RNA AK
;!=?
A) Template
B) Anti-template
35. RNA LAg-,-A$,AกW!<-#$JF
:-$AY%Ae^ก#i"กg- Protein synthesis
A) mRNA
B) tRNA
C) rRNA
D) hnRNA
36. RNA LAg-,-A$@F%,$กF<"[A
Essential Amino Acids
A) mRNA
B) tRNA
C) rRNA
D) hnRNA
37. tRNA TT?A;A=!A$<ก;!T?A;A Essential
Amino !:ก< $:ก A%A* <!:A$<..
A) 18 %;
B) 20 %;
C) 21 %;
D) 30 %;
38. Anticodon Tกj,A RNA LAg-,-?
A) mRNA
B) tRNA
C) rRNA
D) hnRNA
Proteins / Nucleotides/ .. / Bile Pigments
19
25. ATP "[A adenosine derivatives "+,-?
A) Nucleosides
B) Nucleotides
C) Nucleic Acid
D) DNA RNA
26. Coenzyme J 9*:$:*F$<ก%ก,ก^-?
. 39. RNA LAg-,-"[A %;T%กกF,Aก$: protein A mRNA template?
A) mRNA
B) tRNA
C) rRNA
D) hnRNA
40. Ribosome #:% ;k"FK<:FJก-$;<A ก-$;<
Nucleoprotein ?*%l 2 !;A * 60S @F 40S
!;A,l!ก;!TT?A;A polypeptides ก %;?
A) 35
B) 40
C) 50
D) 60
41. *^i% g#: Triplet code ,A#$,-=!WJก $:?
A) "[A%"กg-Tกก"<: %;#: Nucleotides
A DNA
B) "[A%"กg-Tกก"<: %;#: Nucleotides
A RNA
C) W%=-$WX: 64 %
D) tRNA W@F%"[A Triplet code ,$
"[A Amino acids =-$%K:- <ก";$A 3 %
42. Non-sense codon 2 %; ,L$,Aก<^ gก
%:"*k protein %-%:AK...
A) UUU @F AAA
B) UAA @F UAG
C) CCC @F CAA
D) GGG @F GAA
43. % UUU WJก@F"[A Amino acids %;,-?
A) Glycine
B) Alanine
C) Phenylalanine
D) Lysine
44. % AAA WJก@F"[A Amino acid %;,-?
A) Glycine
B) Alanine
C) Phenylalanine
D) Lysine
45. กgKA^-ก%:"*k Protein T"กg-#XKA"
% %;,-กj"[A Triplet code A mRNA ?
A) STOP
B) QUIT
C) UAA
D) END
46. ,Aก"g $A%:"*k Protein T"กg-#XKA"
% %;,-กj#XKA?
A) UAA
B) UAG
C) AUG
D) AAA
47. W$ codon A single strand #: mRNA %
"[A UUU -%:A%KA Anti-codon #: tRNA *;%
"[A=? (Figure 40-2 A$ 109)
A) AAA
B) UUU
C) CCC
D) TTT
48. !;AF<^-#: mRNA aX:ก=-$;<
Methyl-guanosyl triphosphate T?A$L!;<,$
mRNA "ก g-ก%=?
A) Ribosomal subunit #A- 40S
B) Ribosomal subunit #A- 60S
C) tRNA
D) nonsense codon
49. ก"*FA<$< tRNA Tก ?@A!: A-site =J!
?@A!: P-site T"กg-#XKA,A#%KA A Protein
synthesis #%KA,-?
A) Initiation
B) Elongation
C) Termination
50. Releasing Factor กj,A protein synthesis
#%KA A,-?
A) Initiation
B) Elongation
C) Termination
51. YF%::A,AJ GTP WJกA?,L$,A Protein
synthesis #%KA A,-?
A) Initiation
B) Elongation
C) Termination
D) ^ก#%KA A (#$ A, B, @F C)
52. % AUG กj,A Protein synthesis #%KA A,@F"[A%#: Amino acid %;,-?
A) Initiation, Methionine
B) Elongation, Methionine
C) Termintion, Alanine
D) Initiation, Alanine
Proteins / Nucleotides/ .. / Bile Pigments
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. 53. Porphyrins "[AกTก pyrrole
"L !ก%A 4 ;: <X-"A<;ก%A-$;<= ?
A) Methanol bridge
B) Methyl bridge
C) Methenyl bridge
D) Methionyl bridge
54. Hemoglobins "[A Porphyrins e ^LAg-,กj<J!,A9*:$:#:ก?
A) Cobalt
B) Iron
C) Magnesium
D) Potassium
55. Side chains #: Porphyrins %กก-$;<
ก 4 %; L<!;! A, P, M, @F V L
" s*=?
A) Alanine, Proline, Methionine, Valine
B) Acetyl, Propionyl, Methionyl, Vinyl
C) Acetate, Propionate, Methyl, Vinyl
D) Acetate, Propionyl, Methionyl, Vinyl
56. Heme "[AกT?Y;ก Porphyrins $:
Tก Succinyl-CoA @FHH
A) Acetate
B) Propionate
C) Glycine
D) Methionine
57. Porphyrins tTกe ^"Fsก,A Heme T@
+Y="[Aก"<ก;!=?
A) Cholesterol
B) Bile salts
C) Bilirubin
D) Uric acid
58. ก"<: %;#: side chain ("L!A A @F P) ,A
กY;ก Porphyrins ( %;<!:"L!A Uroporphyrin III) TYก"<: %;@,-ก^-?
A) Asymmetric (A P A P A P A P)
B) Symmetric (A P A P A P A P)
C) Asymmetric (A P A P A P P A)
D) Symmetric (A P A P A P P A)
59. Side chain #: Porphyrins "[A Heme T
กLAg-,-$:?
A) M @F V
B) M @F P
C) P @F V
D) M, V, @F P
60. Hyperbilirubinemia "[A+;ug-ก g#:!:ก<
%A"A:Tกก Bilirubin ,A"F-ก
"กgA= (กก;! 1 mg/dl) " ^=-$F<
ก *? ,A#$,-=!,L!" ^?*%l#:
ก"กg-9*AK?
A) Bilirubin WJก%:"*kก"กgA;! %T#T%กTก!:ก<=-$
B) "aF#: %WJก?F< =!W?A$=-$
ก g
C) Uroporphyrinogen =!WWJก"F<A,$"[A
Uroporphyrin I =-$ TX:"[A" ^?*%l?,$
ก$: Heme ug-ก g
D) !A? bilirubin กTก!:ก<"กg-ก^- %A
Proteins / Nucleotides/ .. / Bile Pigments
21
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