Mastering Agarose Gel Electrophoresis Techniques and Applications
Interactive Video
•
Biology, Chemistry, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of agarose gel electrophoresis?
To synthesize new DNA strands
To dissolve proteins in a solution
To separate DNA fragments based on size and charge
To measure the pH of a solution
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to heat the agarose solution?
To sterilize the solution
To dissolve the agarose powder
To evaporate excess water
To increase the pH level
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of ethidium bromide in gel electrophoresis?
To solidify the gel
To act as a buffer
To intercalate between DNA base pairs and fluoresce under UV light
To increase the speed of DNA migration
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the comb in the electrophoresis tank?
To mix the agarose solution
To create wells for loading samples
To measure the temperature
To stabilize the gel
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a running buffer used in gel electrophoresis?
To prevent the gel from solidifying
To increase the gel's transparency
To provide ions that carry a current and maintain pH
To dissolve the DNA samples
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the loading buffer in DNA sample preparation?
To neutralize the sample's charge
To solidify the sample
To dissolve the DNA
To increase the sample's density and add color
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a DNA ladder used for in gel electrophoresis?
To increase the speed of DNA migration
To act as a control for pH levels
To serve as a reference for DNA fragment sizes
To stabilize the gel
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
