DNA Flashcards
By the _________ _________substance is known inside the _________
1900’s
DNA
Nucleus
DNA is…
Deoxyribo Nucleic Acid
Proteins thought to the _________ or the molecule of inheritance.
Hereditary
________, __________ and __________ and others determine DNA is the hereditary molecules through __________.
Avery, Hershey, and Chase
Experiments
How is DNA. Very positive or very negative?
Very negative
What is Chargaff’s ratio of bases:
A=T
G=C
____________ model of DNA triple helix was wrong.
Pauling’s
_____________ and _____________ use _________ to determine DNA is a double helix (twisted ladder)
Wilkins
Franklin
X-rays
Who discovered DNA structure?
Wats and Crick
Wats and Crick discovered what?
DNA structure
What is the building block of DNA.
Nucleotides