
核酸結構
Interactive Video
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Biology
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9th - 12th Grade
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Practice Problem
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Easy
簡雪如 簡雪如
Used 3+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
影片開頭提到DNA和RNA在生物體中的主要功能是什麼?
儲存及傳遞遺傳訊息
細胞壁的組成與防護
加速生化反應的進行
提供能量給細胞活動
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
核糖核酸(RNA)與去氧核糖核酸(DNA)的五碳醣結構有何主要差異?
RNA的五碳醣在2號碳上多一個氧原子
DNA的五碳醣在2號碳上多一個氧原子
RNA的五碳醣是六碳醣,DNA是五碳醣
DNA的五碳醣是六碳醣,RNA是五碳醣
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種含氮鹼基只存在於RNA中,而不存在於DNA中?
腺嘌呤 (A)
胞嘧啶 (C)
尿嘧啶 (U)
鳥嘌呤 (G)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
DNA和RNA的結構中,所含的『五碳糖』有何不同?
DNA是去氧核糖,RNA是核糖
DNA含有六碳糖,RNA含有五碳糖
DNA是核糖(Ribose),RNA是去氧核糖(Deoxyribose)
DNA和RNA都只含有核糖
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一組含氮鹼基是構成DNA的四種主要鹼基?
腺嘌呤(A)、鳥糞嘌呤(G)、胞嘧啶(C)、胸腺嘧啶(T)
胞嘧啶(C)、胸腺嘧啶(T)、尿嘧啶(U)、核糖
腺嘌呤(A)、鳥糞嘌呤(G)、胺基酸、磷酸
腺嘌呤(A)、鳥糞嘌呤(G)、胞嘧啶(C)、尿嘧啶(U)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
構成RNA的四種含氮鹼基中,取代DNA的胸腺嘧啶(T)的是哪一個?
胞嘧啶(C)
腺嘌呤(A)
鳥糞嘌呤(G)
尿嘧啶(U)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個核苷酸(Nucleotide)是核酸的基本單元,它的基本結構包含哪三種分子?
磷酸基、五碳糖、含氮鹼基
磷酸基、六碳糖、含氮鹼基
碳酸基、五碳糖、含氮鹼基
磷酸基、五碳糖、含碳鹼基
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