DNA Structure And Replication Quiz Questions
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.DNA Ligase will glue the Okazaki fragments together using a glycosyl bond
- A.
True
- B.
False
Questions: 10 | Attempts: 3223 | Last updated: Oct 19, 2020
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