5.1 DNA History & Structure Flashcards
1
Q
What did Fredrick Griffith, Oswald Avery, Alfred Hershey & Martha Chase, and Chargaff do for DNA?
A
2
Q
What are the 3 parts of DNA?
A
Deoxyribose (sugar), phosphate group, and nitrogenous base
3
Q
Which nitrogenous bases are pyrimdines (1 ring) or purines (2 rings)?
A
Pyrimdines- Thymine and Cytosine
Purines- Adenine and Guanine
4
Q
What’s the definition of antiparallel?
A
Complementary strands that run opposite each other
5
Q
Where are hydrogen bonds formed and where are covalent bonds formed in DNA?
A
Hydrogen bases between nitrogenous bases and covalent bonds between deoxyribose and phosphate groups.
