高一生物2-2遺傳物質

Quiz
•
Science
•
10th Grade
•
Hard
于佳玉 于佳玉
Used 54+ times
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16 questions
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1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
DNA不含有下列何種含氮鹼基?
腺嘌呤
鳥糞嘌呤
胞嘧啶
脲嘧啶
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
關於分子生物學的中心法則,下列敘述何者正確?
DNA複製採取半保留法
RNA也可複製
只有真核生物符合中心法則
RNA和DNA都可做為生物細胞的遺傳物質
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
各生物彼此間的基因之所以不同,主要是因為:
成基因的核苷酸排列順序不同
組成基因的核苷酸種類不同
組成基因的含氮鹼基種類不同
製造基因的酵素不同
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
組成DNA及RNA的單磷酸核 共有幾種?
4
5
8
12
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
有關DNA,下列敘述何者正確?
細菌的DNA位在細胞核中
組成DNA的五碳醣中不含氧元素
同一個體內,體細胞之DNA皆相同
真核細胞內的DNA是由去氧核糖核酸和蛋白質所組成
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
雙股DNA中其中一股含氮鹼基序列為ATTCAAGGCA,則配對之另一股含氮鹼基序列為何?
ATTCAAGGCA
TAAGTTCCGT
UAAGUUCCGU
AUUGAACCGA
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
右圖DNA甲兩股原來沒有放射性,將此DNA利用有放射性T(胸腺嘧啶)為原料進行複製,染色體複製後聚集成右圖,新合成的DNA放射性分布為何?
1、2、3、4皆有放射性
僅1、3或2、4有放射性
僅1、2或3、4有放射性
均無放射性
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