Indiana Navigator Module 2 Study Questions With Correct Answer

Components of a nucleotide: - Answer Purine or Pyrimidine base, 5-carbon sugar, phosphate group Purines - Answer Adenine and Guanine Pyrimidines - Answer Cytosine, Thymine, Uracil Within a nucleotide, sugar position where phosphate group binds: - Answer 5' Within a nucleotide, sugar position where nitrogenous base binds: - Answer 1' Polarity of a polynucleotide refers to: - Answer 5' phosphate-3' hydroxyl RNA sequence complementary to DNA sequence: 5' - AATTGGCC - 3' - Answer 5' - GGCCAAUU - 3' Number of hydrogen bonds between complementary A & T nucleotides: - Answer 2 Number of hydrogen bonds between complementary G & C nucleotides: - Answer 3 Photograph 51 technique: - Answer X-ray Diffraction Which of the following is NOT suggested by the Watson-Crick DNA Double Helix model: - Answer a. Major groove/minor groove b. Sugar phosphate backbone/stacking of nitrogenous bases c. RNA polymerase binding to promoter sequence d. Semi-conservative replication answer c Which of the following is not true about RNA in comparison to DNA: - Answer a. Uracil in RNA in place of Thymine b. Presence of 2' hydroxyl group increases stability of RNA c. RNA exhibits more structural diversity d. All of the above are true about RNA