CH4.2 即時重溫 挑戰度︰★
Quiz
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Science
•
7th Grade
•
Practice Problem
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Medium
韓惠錦 韓惠錦
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11 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
去氧核糖核酸的英文簡稱是?
RNA
KNA
DNA
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在細胞中,哪項物質的製造是由 DNA 決定的?
蛋白質
碳水化合物
水
Answer explanation
DNA 載有資料,這些資料決定了細胞製造的蛋白質的種類。
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
一個 DNA 分子可長達多少米?
(提示:約一道門的高度)
1米
2米
3米
Answer explanation
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
DNA由兩條長鏈互繞而成,這種構造稱為甚麼構造?
雙螺旋
交叉
X型
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
圖片中的構造稱為?
蛋白質
染色體
DNA
Answer explanation
DNA 分子可圍繞着一種蛋白質,形成一個線狀構造。
這個線狀構造再盤繞成較粗的構造,稱為染色體。
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
人類大部分細胞都載有多少對染色體?
23
24
25
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
人類大部分細胞都載有多少條染色體?
(提示:23對)
46
48
50
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