2-2 遺傳物質單
10th Grade
•20 Qs
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2-2 遺傳物質單
Quiz
•
Science
•
10th Grade
•
Practice Problem
•
Hard
東茂 葉
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
各生物彼此間的基因之所以不同，主要是因為
Answer explanation
4種核苷酸以不同的數目、順序進行排列
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若DNA具有遺傳密碼ATC，此遺傳密碼轉錄成的RNA上相對應的含氮鹼基序列為何？
Answer explanation
DNA的遺傳密碼為ATC，RNA以UAG與其對應
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在真核細胞中關於DNA製造RNA的過程，下列相關的敘述何者正確？
Answer explanation
DNA→RNA的過程稱為轉錄，在細胞核中進行
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
某生分析2個核酸分子的組成，發現共有2種五碳醣、3條核苷酸鏈、5種含氮鹼基、8種核苷酸，則此2個核酸分子應為
Answer explanation
2個核酸分子有2種五碳醣、5種含氮鹼基、8種核苷酸，推論應包含DNA及RNA。2個核酸分子中有3條核苷酸鏈，因DNA為雙股，RNA多為單股，推論有1條DNA、1條RNA
5.
MULTIPLE CHOICE QUESTION
45 sec • 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
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
原核細胞發生轉錄作用的位置在何處？
Answer explanation
轉錄位置：真核─細胞核；葉綠體、粒線體、原核─細胞質
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列現象的發現，何者與遺傳的染色體學說之建立最不相關？
Answer explanation
染色體遺傳學說由薩登和包法利所提出，依據觀察細胞內染色體的變化與遺傳因子（基因）的相似性，提出遺傳因子位於染色體上 (A)染色體遺傳學說並未說明染色體的組成
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