e+O502] ;i-<dAV8B 一、名詞解釋(應該是5個,但是記不清是哪5個了)
-=4{X
R3 1.chaperon 2.motif 3.allosteric enzyme 4.ribozyme 5.gluconeogenesis 6.sernicon servativereplication
`EWQ>m+ pE381Cw 二、選擇題(很多題記不太清楚了,細節問題請包容)
<`")Zxf+ 1.Which of the followingstatements concerning protein domains is true?
=58:e7(df A.they are examples ofstructural motifs
RN"Ur'+ B.large polypeptide may beorganized into struoturally close but functionally independent units
2P,{`O1] C.the consist of separatepoly peptide chains(subunits)
VI k]`)# D.they have been found onlyin prokaryotic proteins
75W@B}dZd 2.Prion disease aregenerally believed to a associated with
cI (} A.infection by a RNA vins B.infection by DNA C.infection by protein D.infection by mRNA
m8<.TCIQ 3.The secondary structureof transfer RNA is
'#NDR:J" A.described as double helix B.described as reversed “L” C.described as cloverleaf D.present only ineukaryotic cells
Ctx{rf_~ 4.In competitive inhibiyion
Jxsch\ A.Km not change,Vmax not change B.Km rise, Vmaxnot change C.Km not change,Vmax rise D.Km rise, Vmaxrise
i;fU],aK! 5.The part og the RNApolymerase noloenzyme that initiates binding to DNA is called the
b^R_8x A.sigma factor B.intron C.ribosomal RNA D.core enzyme
khVfc 6.Sunlight can damage DNAby
1 Szv4 A.making apyrimidinic sites B.causing spontaneousdeamination of bases
+o|I@7f C.forming pyrimidinedimmers D.alkylating DNA
{xRO.699 7.Which is therate-limiting enzyme, inregulation of the pentose phosphate pathway?
-Ra-Ux A.hexokinase B.6-phosphofructokinace-1 C.Clucose-6-phosphatedehydrogenase D.pyrurate dehydrogenase
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