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
CGGTAT
B
CGTAGA
C
TAGGAC
D
GTGATT
2) Which of these bonds are the weakest?
A
bond between phosphate and a deoxyribose sugar
B
bond between deoxyribose and cytosine
C
bond between adenine and thymine
D
bond between guanine and deoxribose
3) What is the charge of DNA?
A
It depends on whose it is
B
Always neutral
C
Always negative
D
Always positive
4) What is Chargaff's rule?
A
DNA has the shape of a double helix
B
The backbone of DNA is the same for every living thing
C
Adenine pairs with thymine and guanine with cytosine
D
All bases are pyrimidines or purines
5) Deoxyribose sugar, phosphate, and a nitrogen base make up a
A
nucleolus
B
nuclear
C
nucleotide
D
nucleus
6) Structurally, which other component is guanine most similar to?
A
Adenine
B
Phosphate
C
Deoxyribose
D
Cytosine
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
Compare the RFLP's
C
Add restriction enzymes
D
Run a gel
8) You just added restriction enzymes to the sample. What will the enzymes do to the DNA?
A
Make lots of copies of it
B
Separate the RFLP's
C
Cut it into pieces at specific points
D
Draw the DNA out of the solution
9) The small black dot in a DNA diagram represents
A
deoxyribose
B
phosphate
C
thymine
D
adenine
10) The pentagon in a DNA diagram represents
A
phosphate
B
deoxyribose
C
sugar
D
thymine
11) Thymine always pairs with ____ in DNA.
A
Cytosine
B
Adenine
C
Guanine
D
Thymine
12) Guanine always pairs with ____ in DNA.
A
Thymine
B
Cytosine
C
Adenine
D
Guanine
13) RFLP's move on the gel because of their
A
Size only
B
Charge only
C
None of the above
D
Charge and size
14) The pieces that move farther during electrophoresis move more because they have
A
Fragments don't move
B
No base pairs
C
Lots of base pairs
D
Fewer base pairs
15) Each of the following is an RFLP. Which one would travel the FARTHEST distance on the gel?
A
90 bp
B
15 bp
C
30 bp
D
60 bp
16) Each of the following is an RFLP. Which of the following would travel the SHORTEST distance on the gel?
A
15 bp
B
30 bp
C
60 bp
D
90 bp
17) A restriction enzyme cuts DNA three times. How many fragments are formed?
A
3
B
2
C
4
D
5
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 guilty.
C
Suspect 6 is definitely innocent.
D
Suspect 6 was at the crime scene.
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 at the crime scene.
B
Suspect 1 is definitely innocent.
C
Suspect 1 was not 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?