
112學測複習-CH2(2)
Authored by 葉東茂 葉東茂
Biology
12th Grade
Used 3+ times

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55 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
重組DNA過程中,用來切開質體DNA和目標DNA的是何種酶?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
某生分析2個核酸分子的組成,發現共有2種五碳醣、3條核苷酸鏈、5種含氮鹼基、8種核苷酸,則此2個核酸分子應為
1個DNA、1個RNA
2個DNA
2個RNA
3個RNA
Answer explanation
解答 A
解析 2個核酸分子有2種五碳醣、5種含氮鹼基、8種核苷酸,推論應包含DNA及RNA。2個核酸分子中有3條核苷酸鏈,因DNA為雙股,RNA多為單股,推論有1條DNA、1條RNA
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有關真核生物的複製和轉錄的比較,下列敘述何者正確?
兩者皆需酵素催化
前者以DNA為模版,後者以RNA為模版
前者含氮鹼基原料為AUCG,後者為ATCG
前者在細胞核進行,後者在細胞質進行
Answer explanation
解答 A
解析 (B)皆以DNA為模版 (C)前者含氮鹼基原料為ATCG,後者為AUCG (D)皆在細胞核進行
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
DNA所含的含氮鹼基有A、T、C、G四種,他們化學鍵的互補對應方式是
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有一段DNA序列如附圖所示,甲、乙兩股互相配對組合,請問乙股的序列為何?
AATTCGGGCC
TTAAGCCCGG
UUAAGCCCGG
TTUUCGGGCC
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在真核細胞中關於DNA製造RNA的過程,下列相關的敘述何者正確?
為轉錄過程,在細胞核中進行
為轉錄過程,在細胞質中進行
為轉譯過程,在細胞核中進行
為轉譯過程,在細胞質中進行
Answer explanation
解答 A
解析 2個核酸分子有2種五碳醣、5種含氮鹼基、8種核苷酸,推論應包含DNA及RNA。2個核酸分子中有3條核苷酸鏈,因DNA為雙股,RNA多為單股,推論有1條DNA、1條RNA
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在A、B、O血型中,哪兩種婚配,子代的表現型有最多種可能?
IAi × IBi
IAIB × ii
IAi × IAIB
IBi × ii
Answer explanation
解答 A
解析 (A)4種(IAIB、IAi、IBi、ii) (B)2種(IAi、IBi) (C)3種(A型的IAIA或IAi、IAIB、IBi) (D)2種(IBi或ii)
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