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DSE2020(I)(B)(9)

Authored by Leung Kin梁志堅老師

Arts

1st Grade

Used 1+ times

DSE2020(I)(B)(9)
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5 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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DSE2020(I)(B)(9)(a)

(提示:DNA是雙鏈的,編碼鏈與模板鏈互補,模板鏈參與轉譯,模板鏈與mRNA互補。

編碼鏈沒有參與轉譯,但編碼鏈與mRNA的鹼基序列相似,只是mRNA之中,T被U取代)

選出(a)題的答案:

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2.

DROPDOWN QUESTION

5 mins • 1 pt

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DSE2020(I)(B)(9)(b)

答:

​ (a)   -​ (b)   - ​ (c)   - ​ (d)   - ​ (e)   - Thr

Met
Val
Leu
Tyr
Ser
Pro
STOP

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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DSE2020(I)(B)(9)(c)(i)

圖示哪種突變?

染色體

基因

鹼基

4.

DROPDOWN QUESTION

5 mins • 1 pt

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DSE2020(I)(B)(9)(c)(ii)

()

突變後​ (a)   取代原有的​ (b)  

產生的​ (c)   較​ (d)  

形成的​ (e)  

形成終止碼
Tyr
蛋白鏈
原先的短
蛋白構像有所不同

5.

DROPDOWN QUESTION

5 mins • 1 pt

DSE2020(I)(B)(9)(c)(iii)

就褐色身體的個體而言,有部分個體具有純合​ (a)  

這代表基因2是​ (b)  

有部分褐色身體的個體同時具有​ (c)   ,其基因型是​ (d)  

在雜合的情況下,​ (e)   表達出來,

因此,基因1是隱性的。

等位基因2
褐色身體的基因
等位基因1和2
雜合型
基因1沒有被

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