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PBS Quiz 2 Review

Total questions: 18

Worksheet time: 12mins

Name
Class
Date
1.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

2.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

3.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

4.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

5.

Identify what structure is outlined in the BLACK outline.

a)

Base pair

b)

deoxyribose sugar

c)

phosphate group

d)

hydrogen bonds

e)

Nucleotide

6.

What group do these bases belong to?

a)

Purines

b)

Pyrimidines

7.

What group do these bases belong to?

a)

Purines

b)

Pyrimidines

8.

Name this tool (two correct answers)

a)

Restriction enzyme

b)

Gel electrophoresis

c)

DNA fingerprinting

d)

HaeIII

9.
When running a gel electrophoresis, DNA will migrate towards the __________________ end because DNA has a __________________ charge.
a)
positive; positive
b)
negative; positive
c)
negative; negative
d)
positive; negative
10.

Gel electrophoresis is used to separate the fragments of DNA. The larger pieces of DNA will travel __________________ the smaller fragments through the gel.

a)

at the same speed as

b)

further than

c)

slower than

d)

in the opposite direction as

11.

What is the main difference between purines and pyrimidines?

a)

purines have 1 ring and pyrimidines have 2 rings

b)

purines have 2 rings and pyrimidines have 1 ring

c)

purines have more hydrogen bonds than pyrimidines

d)

purines have fewer hydrogen bonds than pyrimidines

12.
If if an unknown blood sample clumps with anti-A serum and not with anti-B serum, what is the blood type?
a)
AB
b)
O
c)
A
d)
B
13.
What type of evidence can be processed by looking at shape, size, number of lines and minutiae?
a)
Blood sample
b)
Hair Sample
c)
DNA sample
d)
Fingerprint Sample
14.
Describe the fingerprint pattern shown.
a)
Arch
b)
Whorl
c)
Fork
d)
Loop
15.
What shape of blood stain is produced when a droplet of blood strikes a horizontal surface at 90 degrees?  
a)
Oblong (Oval)
b)
Circular
c)
Large Smears
d)
Tiny dots
16.
What can be determined from the diameter of a blood drop?
a)
Blood type
b)
Weapon
c)
Amount of blood lost
d)
The height from which the blood fell
17.

How does DNA differ person to person?

a)

Order of nitrogen bases

b)

Number of phosphates

c)

Order of deoxyribose sugars

d)

Shape of the helix

18.

Which of these is correct according to the complementary base pairing rule?

a)

A-T

b)

A-C

c)

A-G

d)

U-T