Quiz

QUIZ

1. What is added to a nucleoside in order to make a nucleotide?

a. Phosphate b. Nitrogenous base c. Deoxyribose d. Hydrogen bonding

2. In DNA, the adenine molecule forms a hydrogen bond with what other nitrogenous base?

a. Cytosine b. Guanine c. Uracil d. Thymine

3. Which DNA structure is considered the smallest?

a. Histone b. Nucleosome c. Solenoid d. Chromosome

4. How many histone proteins are necessary to make a nucleosome?

a. 2 b. 4 c. 6 d. 8

5. What does not happen to pre-mRNA in order to have the total mRNA molecule?

a. Exons are spliced out of the molecule b. Introns are spliced out of the molecule c. A 5-prime cap is added d. A 3-prime poly-A tail is added

6. In the transcription of DNA to RNA, what is the transcript made up of?

a. Transfer RNA b. Ribosomal RNA c. Messenger RNA d. DNA

7. Where does ribosomal RNA get made and assembled in the eukaryotic cell?

a. Nucleus b. Cytosol c. Nucleolus d. Ribosomes

8. Which type of nucleic acid is covalently linked to an amino acid?

a. DNA b. rRNA c. mRNA d. tRNA

9. Which enzyme in the DNA replication process separates the hydrogen bonds between the two DNA strands?

a. DNA helicase b. DNA primase c. Topoisomerase d. DNA polymerase

10. What enzyme joins the Okazaki fragments after the lagging strand is properly made during DNA replication?

a. Exonuclease b. DNA ligase c. Topoisomerase d. DNA primase