DNA Structure

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Author:
chanchan27104
ID:
299281
Filename:
DNA Structure
Updated:
2015-03-26 18:54:12
Tags:
biology
Folders:
BIO 183,DNA
Description:
jdfklsa
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  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

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