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WorksheetsDNA EXTRACTION
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The type of cells today we are extracting are cheek cells. What do scientists call this:
a)
mandibular swab
b)
serological swab
c)
buccal swab
d)
salivary swab
2.
Isolating DNA is important because
a)
it can be used for genetic testing
b)
used to identify bodies
c)
used to analyze forensic evidence
d)
all of these
3.
What is the length of a typical DNA molecule from a cell?
a)
5 cm
b)
2 meters
c)
1 meter
d)
1 inch
4.
In the lab, where is the swab placed after collection
a)
a specialized tube
b)
paper bag
c)
box
d)
plastic bag
5.
What is the purpose of the lysis/detergent solution?
a)
dehydrate the DNA
b)
clean the DNA
c)
burst open the cells to release DNA
d)
separate DNA from proteins
6.
What is the function of the salt solution?
a)
dehydrate the DNA
b)
release the DNA
c)
isolate the DNA
d)
separate DNA from proteins
7.
What is the purpose of the alcohol?
a)
dehydrate and isolate DNA
b)
release DNA from cells
c)
separate it from proteins
d)
sterilize DNA
8.
What section of the crime lab would extract DNA
a)
biology
b)
trace
c)
chemistry
d)
any of these could do it
9.
If an officer collect a DNA swab from a suspect, how is it packaged properly?
a)
in a small box
b)
labeled as biohazard
c)
initials and date half on half off the tape
d)
all of these
10.
What type of DNA are we extracting today?
a)
mitochondrial DNA
b)
nuclear DNA
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