選修生物I-CH1-1 細胞的化學組成
Quiz
•
Biology
•
11th Grade
•
Practice Problem
•
Hard
葉東茂 葉東茂
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35 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
下列哪一種分子的組成元素(原子)種類最少?
Answer explanation
解答 D
解析 (A)C、H、O、N、P (B)C、H、O、N、S (C)C、H、O、N、P (D)C、H、O
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
下列何項不是決定蛋白質形狀與構造的因素?
Answer explanation
解答 D
解析 (D)胺基與羧基構造皆相同
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
附圖是磷脂質在水溶液表面形成薄膜或在水溶液內聚集成球狀物的示意圖,試問為什麼磷脂質會在水溶液中產生這些構造?
Answer explanation
解答 C
解析 磷脂質的磷酸基具極性,使磷脂質分子具有「親水性頭部」,而脂肪酸不具極性,使磷脂質分子具有「疏水性尾部」。由於疏水性尾部與水分子互斥,導致磷脂質在水溶液表面形成薄膜或在水溶液內聚集成球狀物
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
關於磷脂質的敘述,下列何者正確?
Answer explanation
解答 A
解析 (B)親水性 (C)非類固醇 (D)無環狀結構,亦非中性脂
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
下列有關各大分子聚合物和其組成單元的配對,何者正確?
Answer explanation
解答 B
解析 (A)胺基酸 (C)核苷酸 (D)腺苷三磷酸本身就是一種核苷酸,由核糖、腺嘌呤與磷酸組成
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
血紅素、抗體和酶都是由蛋白質所組成,但其性質與功用卻大不相同,請問其主要原因為何?
Answer explanation
解答 D
解析 胺基酸的種類、數目與排列次序皆會影響蛋白質的性質與功用
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
下列何者是DNA與RNA之共同點?
Answer explanation
解答 D
解析 (A)DNA具有去氧核糖 (B)只有DNA有胸腺嘧啶 (C)只有RNA有尿嘧啶
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