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
117