NEW
Font size
S
M
L
XL
WorksheetsAnalyzing Gel Electrophoresis
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
This laboratory procedure is known as
a)
CLONING
b)
gel electrophoresis
c)
chromatography
d)
use of a dichotomous key
2.
In preparation for an electrophoresis procedure, enzymes are added to DNA in order to
a)
convert the DNA into gel
b)
cut the DNA into fragments
c)
change the color of the DNA
d)
produce longer sections of DNA
3.
Gel electrophoresis is used to separate DNA fragments on the basis of which property?
a)
size
b)
color
c)
functions
d)
chromosomes
4.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
5.
Which two bear species are most closely related?
a)
Bear 1 and Bear 2
b)
Bear 1 and Bear 3
c)
Bear 2 and Bear 3
d)
There’s no way to tell
6.
Which man is the father of this baby?
a)
Father 1
b)
Father 2
c)
Father 3
d)
None of them
7.
Which suspect is likely guilty?
a)
Suspect #1
b)
Suspect #2
c)
Suspect #3
8.
DNA fingerprinting works because
a)
Most genes are dominant
b)
All organisms contain RNA
c)
The most important genes are different among most people
d)
No two people, except identical twins, have exactly the same DNA
9.
What is the purpose of gel electrophoresis?
a)
helps cut DNA
b)
count the genes in DNA
c)
separates DNA based on size
d)
allows for an exact replicated organism
10.
Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?
a)
DNA is negatively charged so attracted to the positive end of the unit
b)
DNA is positively charged to attracted to the negative end of the unit
c)
the agarose gel in negatively charged
d)
the agarose gel is positively charged
11.
In gel electrophoresis, the largest DNA fragment will appear
a)
closest to the starting wells
b)
farthest from the starting wells
c)
three quarters away from the starting wells
d)
it depends on how many fragments there are
12.
Which is the primary purpose of using restriction enzymes in gel electrophoresis?
a)
It allows the strands of DNA to be cut into various lengths for testing
b)
It restricts the number of base pairs that can be tested in a sample
c)
It makes the testing simpler by moving the strands into the gel faster
d)
It charges the DNA strands
13.
What applications can gel electrophoresis be used for?
a)
Parental Testing
b)
Criminal Investigations
c)
Sequence Endangered Species DNA
d)
All of the above
14.
Which DNA fragment bands move faster and farther in a gel electrophoresis?
a)
there is no way to tell
b)
the largest ones
c)
the smallest ones
d)
none of these
15.
How are buffers used in Electrophoresis?
a)
Conduct electricity
b)
Remove salts
c)
Add extension energy
d)
Dissolve excess DNA
Reset
