
生物工程_提取DNA實驗
Quiz
•
Biology
•
6th - 8th Grade
•
Practice Problem
•
Easy
R Yung
Used 1+ times
FREE Resource
Enhance your content in a minute
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在實驗中加入清潔劑的功用是
破壞細胞壁和細胞膜。
破壞細胞膜和核膜。
破壞核膜和蛋白質。
破壞細胞壁和蛋白質。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為什麼在實驗中需要加入鹽 (氯化鈉)?
中和 DNA 的負電荷
中和 DNA 的正電荷
降低植物細胞水勢,使其質壁分離
降低溶液水勢,使物質更容易進入細胞內
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為什麼在實驗中需要加入酒精?
分解蛋白質
將 DNA 分解成細小的碎片
去除士多啤梨的色素
使 DNA 沉澱
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
怎樣得知提取的白色物質含有 DNA?
以光學顯微鏡觀察,並觀察到 DNA 的雙螺旋結構
進行凝膠電泳,
並觀察到 DNA 指紋移動
加入通用指示劑,
溶液會呈橙色
白色物質能吸引
正電荷的物質
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
挑戰題︰ DNA 的體積十分細小。為什麼此實驗的提取物是肉眼可以觀察的?
因為提取物並非只有DNA,亦含有雜質
因為 DNA 是白色的
因為提取的 DNA 量十分多
因為 DNA 接觸酒精後會變為白色
Similar Resources on Wayground
10 questions
第17章 小測2
Quiz
•
7th - 9th Grade
10 questions
BIOTEKNOLOGI TINGKATAN 5 KSSM
Quiz
•
8th - 10th Grade
10 questions
Molecular Biology Review
Quiz
•
6th - 8th Grade
10 questions
Genetic Disorders and Advances in Genetics
Quiz
•
6th - 8th Grade
8 questions
翰林國中自然1下ch2-3突變與遺傳疾病
Quiz
•
7th Grade
10 questions
第8章 小測2
Quiz
•
8th Grade
10 questions
dowody ewolucji
Quiz
•
8th Grade
9 questions
2024生物基礎2学期vol.11vol.12
Quiz
•
7th Grade
Popular Resources on Wayground
10 questions
Honoring the Significance of Veterans Day
Interactive video
•
6th - 10th Grade
9 questions
FOREST Community of Caring
Lesson
•
1st - 5th Grade
10 questions
Exploring Veterans Day: Facts and Celebrations for Kids
Interactive video
•
6th - 10th Grade
19 questions
Veterans Day
Quiz
•
5th Grade
14 questions
General Technology Use Quiz
Quiz
•
8th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
15 questions
Circuits, Light Energy, and Forces
Quiz
•
5th Grade
19 questions
Thanksgiving Trivia
Quiz
•
6th Grade
Discover more resources for Biology
20 questions
Food Chains and Food Webs
Quiz
•
7th - 12th Grade
10 questions
Human Impact
Quiz
•
6th - 8th Grade
25 questions
Chromosomal Mutations
Quiz
•
8th - 12th Grade
22 questions
Photosynthesis and Cell Respiration
Quiz
•
8th Grade
12 questions
The Cell Cycle
Quiz
•
7th Grade
10 questions
Dichotomous Key
Quiz
•
KG - University
10 questions
Exploring the Steps of DNA Replication
Interactive video
•
6th - 10th Grade
20 questions
Symbiotic Relationships
Quiz
•
6th - 10th Grade
