4.1 DNA Flashcards
what did Griffith find out from his research?
Found that bacteria can transfer genetic material between each other.
What did Avery want to find from his research?
Whether DNA or proteins were the transforming factor.
What did Avery determine from his experiment?
DNA was the transforming factor.
what is Chargaff’s first rule?
Guanine= Cytosine
Thymine= Adenine
What is Chargaff’s second rule?
Amounts of G,C,T, and A vary from species to species.
What picture did Watson and Crick use?
Rosalind Franklin’s x-ray crystallography photo of DNA.
What did Watson and Crick discover about DNA?
They discovered that the base pairs were in the center of the DNA like the rungs on a ladder.
What kind of bonds hold the nucleotides together?
covalent bonds
What kind of bonds hold the base pairs together?
Hydrogen bonds
What does antiparallel mean?
They are still parallel but they run in separate directions.
