DNA Replication
13 Questions
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This is a quiz to see what you know about DNA replication. We used this website for a video: http://207. 207. 4. 198/pub/flash/24/menu. Swf
Questions and Answers
- 1.What are the four nitrogen bases for DNA?
- A.
Uracil, Thymine, Adenine, and Guanine
- B.
Cytosine, Thymine, Adenine, Guanine
- C.
Thymine, Adenine, Lytosine, Guanine
- D.
Thymine, Adenise, Guanine, Cytosol
- 2.
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- 3.
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What enzyme, pictured above, breaks apart the hydrogen bonds between two strands of DNA?- A.
Polymerase I
- B.
Polymerase III
- C.
Ligase
- D.
Helicase
- E.
Okazaki
- 4.
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What is pictured above in the DNA replication process?- A.
Replication fork
- B.
Replication bubble
- C.
Leading strand
- D.
Lagging strand
- E.
Ligase
- 5.Which strand grows continuously towards the replication fork?
- A.
Lagging strand
- B.
DNA strand
- C.
RNA strand
- D.
Replicating strand
- E.
Leading strand
- 6.DNA polymerase III builds new strands from scratch during DNA replication. True or False?
- A.
True
- B.
False
- 7.
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- 8.
- A.
Polymerase III
- B.
Ligase
- C.
Polymerase I
- D.
Helicase
- 9.The lagging strand is the new strand that grows discontinuously away from the replication fork.
- A.
True
- B.
False
- 10.
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What is the name of the fragments of the lagging strand pictured above?- A.
Binding proteins
- B.
Fragmenting lagging strand
- C.
Okazaki segments
- D.
Coding strands
- 11.
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- A.
Ligase
- B.
Binding proteins
- C.
Helicase
- D.
Polymerase I
- 12.The new DNA strand formed after DNA replication is an exact copy of its parent strand. True of False?
- A.
True
- B.
False
- C.
I don't know.
- 13.To make sure you can remember what you watched, what was the key element that kept the strands from binding back together once seperated?
- A.
Binding proteins
- B.
Ligase
- C.
Helicase
- D.
DNA wall
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