Quiz In Nucleic Acid Structures
10 Questions
| Attempts: 1495
Questions and Answers
- 1.Which of the following is NOT found in DNA?
- A.
Uracil
- B.
Thymine
- C.
Adenine
- D.
Cytosine
- 2.DNA is a polymer of:
- A.
Nucleic acid
- B.
Nucleoside
- C.
Nucleotide
- D.
Bases
- 3.Choose THREE correct answers. Which of the following is found in RNA
- A.
Cytosine
- B.
Guanine
- C.
Thymine
- D.
Uracil
- 4.What holds the DNA double strands together?
- A.
Hydrophobic interactions
- B.
H-bonds
- C.
Peptide bonds
- D.
Van der Waal's forces
- 5.Nucleotides are linked together via:
- A.
H-bonds
- B.
3',5'-phosphoester bonds
- C.
3',5'-phosphodiester bonds
- D.
N1-glycosidic bonds
- 6.What is the base sequence of the DNA strand that would be complementary to the following single-stranded DNA molecule? 5' GGATCTGATCCAGTCA 3'
- 7.In addition to the standard organic elements carbon, hydrogen and oxygen, nucleic acids also contain
- A.
Calcium
- B.
Chloride
- C.
Sulfur
- D.
Phosphorus
- 8.The percent of cytosine in a double-stranded DNA is 21. What is the percent of thymine in that DNA?
- 9.The percent of adenine in a double-stranded DNA is 38. What is the percent of uracil in that DNA?
- 10.A nucleotide has how many components?
- A.
1
- B.
2
- C.
3
- D.
4
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