DNA Structure And Replication Quiz Questions
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DNA replication is the biological process of producing one identical replica of DNA from one original DNA molecule. Take this quiz and learn more about it!
- 1.What does DNA stand for?
- A.
Deoxyribonucleic Acid
- B.
Deoxyrinonucleic Acid
- C.
Deoxyribonucleic Antacid
- D.
Deoxyrinonucleic Antacid
- 2.Where is DNA NOT found
- A.
In humans
- B.
In bacteria
- C.
In red blood cells
- D.
In brain cells
- 3.Over 99% of our DNA is the same as other humans
- A.
True
- B.
False
- 4.DNA is a single helical strucutre
- A.
True
- B.
False
- 5.What makes up the nucleotides of DNA?
- A.
Sugar, Phosphate and Nitrogenous base
- B.
Ribose Sugar, Phosphate and Nitrogenous base
- C.
Sugar, Phosphate and Nickle base
- D.
Deoxyribose Sugar, Phosphorus and Nitrogenous base
- E.
Deoxyribose Sugar, Phosphate and Nitrogenous base
- F.
Cytosine, Thymine, Adenine and Guanine
- 6.Which of the following are pyrimidines?
- A.
Adenine and cytosine
- B.
Adenine and guanine
- C.
Adenine and thymine
- D.
Cytosine and guanine
- E.
Cytosine and thymine
- F.
Guanine and thymine
- 7.Which of the following are purines?
- A.
Adenine and cytosine
- B.
Adenine and guanine
- C.
Adenine and thymine
- D.
Cytosine and guanine
- E.
Cytosine and thymine
- F.
Guanine and thymine
- 8.What does Chargraff's Rule mean?
- A.
Whatever Chargraff's says is correct
- B.
Guanine always binds with Cytosine and Adenine always binds with Thymine
- C.
Guanine always binds with Adenine and Cytosine always binds with Thymine
- D.
Guanine always binds with Thymine and Adenine always binds with Cytosine
- E.
Guanine always binds with Guanine and Adenine always binds with Adenine
- 9.In the Meselson-Stahl experiment, which model of DNA replication was eliminated by the analysis of DNA isolated from bacteria one replication cycle after shifting from 15N to 14N medium?
- A.
Semi-conservative
- B.
Conservative
- C.
Dispersive
- 10.DNA replicates through what process?
- A.
Semi-conservative replication
- B.
Conservative replication
- C.
Dispersive replication
- 11.What is the function of DNA Polymerase III?
- A.
It adds nucleotide pairs to the growing DNA strand
- B.
It adds single nucleotides to the growing DNA strand
- C.
It unwinds DNA
- D.
It attaches the RNA primers to the DNA strand
- 12.How many RNA primers are needed on the leading strand?
- A.
1
- B.
2
- C.
3
- D.
Depends on the length of the DNA
- E.
Infinity
- 13.DNA always replicates from ___ to ____?
- A.
3' to 5'
- B.
2' to 4'
- C.
4' to 2'
- D.
5' to 3'
- E.
North to South
- F.
South to North
- G.
On end to the other end
- 14.
- A.
True
- B.
False
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