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Gel Electrophoresis Review

Authored by Nicole Grojean

Biology

9th Grade

Used 8+ times

Gel Electrophoresis Review
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Based on these results whose blood was found in the blood stain at the crime scene?

Bob
Sue
John
Lisa

2.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Media Image

Which man is the father of this baby?

Father 1
Father 2
Father 3
None of them

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the purpose of gel electrophoresis?

helps cut DNA
count the genes in DNA
separates DNA based on size
allows for an exact replicated organism

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?

DNA is negatively charged so attracted to the positive end of the unit
DNA is positively charged to attracted to the negative end of the unit
the agarose gel in negatively charged
the agarose gel is positively charged

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

In gel electrophoresis, the largest DNA fragment will appear

closest to the starting wells
farthest from the starting wells
three quarters away from the starting wells
it depends on how many fragments there are

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which is the primary purpose of using restriction enzymes in gel electrophoresis?

It allows the strands of DNA to be cut into various lengths for testing
It restricts the number of base pairs that can be tested in a sample
It makes the testing simpler by moving the strands into the gel faster
It charges the DNA strands

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the function of the gel in Gel Electrophoresis?

extract DNA from the liquid

filter the DNA as it moves through the system

buffer the DNA so it keeps moving

charge the DNA so it will move to the opposite side of the system

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