選修生物I-CH3-3
11th Grade
•29 Qs
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選修生物I-CH3-3
Quiz
•
Biology
•
11th Grade
•
Practice Problem
•
Hard
東茂 葉
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29 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在DNA的結構中，C、G之間可以形成幾個氫鍵？
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在DNA的結構中，兩股核苷酸鏈之間的距離為何？
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
附圖為DNA中去氧核糖分子的結構，其中含氮鹼基應接在該分子的哪一個碳的位置？
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在DNA的結構中，A、T之間可以形成幾個氫鍵？
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
DNA的螺旋狀結構是哪一個科學家率先推論出來的？
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
假若某生物的精原細胞中，DNA的胞嘧啶含量約占20%，則其初級精母細胞中DNA的鳥糞嘌呤含量約占多少？
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
某段DNA的序列如附圖所示？請問此段DNA的含氮鹼基之間含有多少個氫鍵？
Answer explanation
解答 C
解析 C＝G有7個，之間有3個氫鍵 ⇒ 21個，A＝T有6個，之間有2個氫鍵 ⇒ 12個，總共21＋12＝33個
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