選生_4-2_基因表現
Authored by 陳 國芳
Science
11th Grade
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12 questions
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1.
OPEN ENDED QUESTION
2 mins • Ungraded
請寫出構成RNA的4種核苷酸的中文名稱及英文代碼。
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Answer explanation
A︰腺嘌呤
U︰脲嘧啶
G︰鳥(糞)嘌呤
C︰胞嘧啶
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
以下三種RNA的英文縮寫是什麼？
核糖體RNA
傳訊RNA
轉送RNA
Answer explanation
核糖體RNA︰rRNA
傳訊RNA︰mRNA
傳送RNA︰tRNA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下何者可以是DNA轉錄為RNA的材料？
ADP
CMP
TTP
GTP
Answer explanation
轉錄原料為ATP、GTP、CTP、UTP
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下那一種生物不需進行RNA剪接？
大腸桿菌
酵母菌
香菇
老鼠
Answer explanation
原核生物不需要進行RNA剪接修飾
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
在DNA轉錄為新合成mRNA稱為前驅mRNA(pre-mRNA)，其中部分的RNA會被剪除。其中圖中的紅色( exon)及淡藍色(intron)的部分的中文名稱是什麼？
Answer explanation
前驅mRNA中的內含子(intron)會被剪除，外顯子(exon)會被接合成成熟mRNA。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些為轉錄後的修飾作用？
RNA 的 5' 端加上甲基鳥糞核苷三磷酸
RNA 的 5' 端加上多腺苷酸
剪去RNA 上的外顯子序列
RNA 的 3' 端加端帽
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖為基因表現的過程之一，請問下列有關此過程的敘述，何
者正確？
甲→乙的過程在核糖體進行
此為 DNA 複製過程
乙為三股 DNA 的構造
丙將會通過核孔
Answer explanation
1. 只有其中一股可作為模板可推知此為轉錄作用。 (A) 轉錄在細胞核進行
(C) 乙為二股 DNA、一股 RNA 的構造
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