選修生物I-段考2複習CH3
Quiz
•
Biology
•
11th Grade
•
Practice Problem
•
Hard
葉東茂 葉東茂
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45 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
細胞處於哪一個時期時,同源染色體上的基因可能發生互換?
有絲分裂時
第一次減數分裂時
第二次減數分裂時
受精時
Answer explanation
同源染色體上的基因可能發生互換是在細胞處於第一次減數分裂時。
2.
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?
2個
3個
4個
5個
Answer explanation
DNA的結構中,A、T之間可以形成2個氫鍵。
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在格里夫茲的肺炎球菌實驗中,用熱殺死的S型肺炎球菌與活的R型肺炎球菌混合,後代出現活的S型菌,其來源為
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有關遺傳學理論與提出者的配對,何者有誤?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列關於各學者與其成就的配對,何者有誤?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
DNA雙股配對原則為A與T配對,C與G配對。假如一段DNA 5'-ATCGC-3'與其互補股間共有13個氫鍵,則某段DNA其中一股的序列為5'-AACGGTCGCATCGGTCATGC-3',則該段DNA二股間應有多少個氫鍵?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
將噬菌體的蛋白質與DNA分別以放射性物質標示後,以此噬菌體感染大腸桿菌時,何種物質會進入細菌內?
含有放射性物質32P的蛋白質
含有放射性物質35S的蛋白質
含有放射性物質32P的DNA
含有放射性物質35S的DNA
Answer explanation
噬菌體的DNA標記放射性物質32P,因此含有放射性物質32P的DNA會進入細菌內。
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