Flashcards in Ch8 Quiz Deck (12):
Who is credited on the discovery of the structure of DNA
Francis Crick and James Watson, with the help of Rosalind Franklin and Maurice Wilkins
What is DNA made of?
Two strands of nucleotides. Each nucleotide has a sugar, a phosphate, and a nitrogen base.
2 rings. Guanine and adenine
1 ring. Cytosine and Thymine
What are the backbones and rungs of DNA made of?
Backbone: deoxyribose and phosphate. Rungs: Hydrogen bonds and base pairs.
A and T, G and C
Replication of DNA process
1. DNA is separated by helicase (Helicase splits DNA).
2. The DNA strands are held apart (site where stands split is called the replication fork).
3. DNA Polymerase adds the complementary nucleotides to the strands
Acts as a "spellchecker", goes back and finds mistakes and fixes them.
ATCGCCG <-- what is this an example of?
How many bonds between cytosine and guanine?
How many bonds between thymine and adenine?