Gel Electrophoresis and Foodborne Outbreak Investigation Quiz
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Evelyn Hayes
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of gel electrophoresis in forensic science?
To create DNA samples
To identify the source of a DNA sample
To destroy DNA evidence
To enhance DNA visibility
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In gel electrophoresis, why does DNA move towards the positive electrode?
DNA is neutral
DNA is positively charged
DNA is negatively charged
DNA is magnetic
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of PCR in gel electrophoresis?
To change the charge of DNA
To create a single copy of DNA
To destroy DNA samples
To amplify specific DNA fragments
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do different DNA fragment lengths affect their movement in gel electrophoresis?
Longer fragments move faster
Shorter fragments move slower
Longer fragments move slower
All fragments move at the same speed
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the mini Wan DNA marker in the gel electrophoresis lab?
To provide known fragment lengths for comparison
To amplify DNA samples
To identify unknown DNA sequences
To change the charge of DNA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a positive control used in gel electrophoresis?
To ensure PCR is functioning correctly
To contaminate the samples
To destroy DNA samples
To change the DNA sequence
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be observed in the negative control lane if the experiment is uncontaminated?
A single band
Multiple bands
No bands
A bright band
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 Microsoft
or continue with
%20(1).png)
Apple
Others
Already have an account?
