
生物-Ch2 生殖與遺傳
Authored by 東茂 葉
Biology
12th Grade
Used 6+ times

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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若T代表高莖(顯性)等位基因,R代表圓形種子(顯性)等位基因,以下二對等位基因遵循獨立分配律,則TtRr × TtRr其子代出現高莖皺皮的機率為多少?
Answer explanation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以重組DNA技術產製可用以治療人類糖尿病的胰島素,需要哪些材料?甲、限制酶;乙、DNA連接酶;丙、DNA載體;丁、宿主細胞;戊、胰蛋白酶;己、胰島素
Answer explanation
解答 A
解析 (戊)(己)不需胰蛋白酶與胰島素,需胰島素基因
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有關核酸的敘述何者正確?
Answer explanation
解答 B
解析 (A)原核細胞無細胞核,其DNA及RNA位於細胞質中;真核細胞的DNA位於細胞核、粒線體、葉綠體,RNA位在細胞核、細胞質、核糖體、粒線體、葉綠體中 (C)U構成RNA,T構成DNA (D)DNA的核苷酸有4種、RNA的核苷酸有4種,共有8種
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
當DNA經轉錄作用形成RNA時,原DNA上之含氮鹼基若為A,RNA上與A對應之核苷酸為何?
Answer explanation
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者最不可能是基改生物?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖,DNA粗萃取的實驗結果,在試管的何處會出現白色雲狀物(聚集的DNA分子)?
Answer explanation
解答 B
解析 (B)在酒精及濾液的交界處出現
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在奇異果DNA的粗萃取實驗步驟中,會加入以下材料:甲、鳳梨汁、乙、濃食鹽水、丙、95%冰酒精、丁、洗碗精,請問加入的先後順序為何?
Answer explanation
解答 C
解析 (C)(丁)破壞膜→(乙)溶解DNA→(甲)分解附著在DNA上的組蛋白→(丙)析出DNA
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