Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
PBS 1.2 What Is DNA?
Test Description: Aligned with PLTW 1.2 What is DNA?
Instructions: Answer all questions to get your test result.
1) If a DNA strand has a sequence of GCCATA, what is the sequence of the complimentary strand?
A
CGTAGA
B
TAGGAC
C
CGGTAT
D
GTGATT
2) Which of these bonds are the weakest?
A
bond between guanine and deoxribose
B
bond between phosphate and a deoxyribose sugar
C
bond between deoxyribose and cytosine
D
bond between adenine and thymine
3) What is the charge of DNA?
A
Always negative
B
It depends on whose it is
C
Always neutral
D
Always positive
4) What is Chargaff's rule?
A
Adenine pairs with thymine and guanine with cytosine
B
DNA has the shape of a double helix
C
All bases are pyrimidines or purines
D
The backbone of DNA is the same for every living thing
5) Deoxyribose sugar, phosphate, and a nitrogen base make up a
A
nucleus
B
nucleolus
C
nuclear
D
nucleotide
6) Structurally, which other component is guanine most similar to?
A
Cytosine
B
Phosphate
C
Deoxyribose
D
Adenine
7) You are a DNA analyst. A small sample of DNA was recovered from a crime scene. You need to analyze it. Your first step is to do what?
A
Perform PCR to make copies
B
Run a gel
C
Compare the RFLP's
D
Add restriction enzymes
8) You just added restriction enzymes to the sample. What will the enzymes do to the DNA?
A
Draw the DNA out of the solution
B
Make lots of copies of it
C
Separate the RFLP's
D
Cut it into pieces at specific points
9) The small black dot in a DNA diagram represents
A
deoxyribose
B
thymine
C
phosphate
D
adenine
10) The pentagon in a DNA diagram represents
A
thymine
B
sugar
C
deoxyribose
D
phosphate
11) Thymine always pairs with ____ in DNA.
A
Cytosine
B
Guanine
C
Thymine
D
Adenine
12) Guanine always pairs with ____ in DNA.
A
Adenine
B
Cytosine
C
Guanine
D
Thymine
13) RFLP's move on the gel because of their
A
Size only
B
None of the above
C
Charge only
D
Charge and size
14) The pieces that move farther during electrophoresis move more because they have
A
No base pairs
B
Lots of base pairs
C
Fewer base pairs
D
Fragments don't move
15) Each of the following is an RFLP. Which one would travel the FARTHEST distance on the gel?
A
60 bp
B
15 bp
C
30 bp
D
90 bp
16) Each of the following is an RFLP. Which of the following would travel the SHORTEST distance on the gel?
A
90 bp
B
30 bp
C
60 bp
D
15 bp
17) A restriction enzyme cuts DNA three times. How many fragments are formed?
A
4
B
5
C
2
D
3
18) When looking at the results of the gel electrophoresis, you find that Suspect 6 and the crime scene results have the exact pattern. What does this mean?
A
Suspect 6 was not at the crime scene.
B
Suspect 6 is definitely innocent.
C
Suspect 6 was at the crime scene.
D
Suspect 6 is definitely guilty.
19) When looking at the results of a gel electrophoresis, Suspect 1 and the crime scene have no bands in common. What does this mean?
A
Suspect 1 was not at the crime scene.
B
Suspect 1 is definitely innocent.
C
Suspect 1 was at the crime scene.
D
Suspect 1 is definitely guilty.
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?