選修生物I-CH1-1細胞的分子組成
Quiz
•
Biology
•
11th Grade
•
Practice Problem
•
Hard
葉東茂 葉東茂
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
構成生物體體內的主要物質有水、醣類、蛋白質、脂質和核酸,還有少量的維生素及無機鹽類。這些物質與生物體的新陳代謝、生長、生殖、適應等生命現象有關。下列有關上述物質的敘述,何者錯誤?
Answer explanation
解答 C
解析 (C)人體皮膚在曬太陽後可合成維生素D
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列有關葡萄糖的敘述,何者正確?
Answer explanation
解答 B
解析 (A)分子式相同,結構式不同 (C)碳水化合物源自簡式Cn(H2O)m (D)化合過程脫去一分子水,故相差一分子水
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列有關蛋白質組成構造或功能的敘述,何者正確?
Answer explanation
解答 A
解析 (B)胺基酸排列順序會影響蛋白質的立體結構 (C)細胞內代謝的主要能源來自葡萄糖分解產生的能量 (D)蛋白質是細胞內含量最多的有機物
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列有關脂質的敘述何者正確?
Answer explanation
解答 D
解析 (A)脫去150個水分子 (B)只有胺基酸一端含有 - COOH,另一端含 - NH2 (C)疏水性尾部由2個脂肪酸組成
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
附圖為ATP分子示意圖,有關ATP之敘述何者正確? (A)是一種核酸
甲為腺嘌呤,乙為核糖
乙結構不含氧原子
會出現在DNA的分子結構中
Answer explanation
解答 B
解析 (A)為一種核苷酸 (C)含氧原子 (D)DNA中應為去氧腺苷單磷酸(dAMP)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有關醣類的敘述,下列何者正確?
Answer explanation
解答 A
解析 (B)核糖為五碳醣,半乳糖為六碳醣 (C)麥芽糖為兩分子葡萄糖組成 (D)過剩的葡萄糖合成肝糖
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