DNA Structure

  1. What are the three components of nucleotides?
    • Phosphate group
    • Pentose sugar
    • Nitrogenous Base
  2. What forms the backbone of the double helix structure of DNA?
    Sugar-Phosphate
  3. What forms the "rungs" of the DNA structure?
    Nitrogenous base pairs
  4. What are the two types of nitrogenous base pairs?
    • Purines: Guanine (G) and Adenine (A)
    • Pyrimidine: Cytosine (C) and Thymine (T)
  5. When does the condensation of chromatid material occur?
    Late interphase to prophase
  6. When in the cell cycle are chromosomes replicated into two sister chromatids?
    "S" phase of interphase
  7. When chromatid material condenses, what structure do they wrap around?
    Histomes
  8. DNA + Histomes = ?
    Nucleosomes
Author
chanchan27104
ID
299281
Card Set
DNA Structure
Description
jdfklsa
Updated