DNA Nucleotide Structure Quiz Questions
7 Questions
| Attempts: 1656
Questions and Answers
- 1.How many DNA molecules are in a human cell?
- A.
46
- B.
23
- C.
2
- D.
52
- 2.The backbone of a DNA molecule is made up of:
- A.
Sugars and phosphates
- B.
Base-pairs
- C.
Adenosine triphosphate
- D.
Enzymes
- 3.In a DNA molecule, none of the following base-pairs are possible, EXCEPT:
- A.
Cytosine - Adenine
- B.
Guanine - Cytosine
- C.
Thymine - Uracil
- D.
Adenine - Guanine
- 4.Where is DNA found?
- A.
In the nucleus
- B.
In the cytoplasm
- C.
In endoplasmic reticulum
- D.
In the Golgi Apparatus
- 5.All of the following are part of a DNA nucleotide, EXCEPT:
- A.
A ribose sugar
- B.
A deoxyribose sugar
- C.
A nitrogenous base
- D.
A phosphate group
- 6.The building blocks of nucleic acids are called:
- A.
Nucleotides
- B.
Nucleosomes
- C.
Nucleozymes
- D.
Nucleoforms
- 7.Alleles are different forms of a gene. Which of the following explains how alleles differ?
- A.
The sequence of bases is slightly different.
- B.
The number of bases is slightly different.
- C.
The base pairs bond slightly differently.
- D.
The bases are attached to phosphates, not sugars.
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