12.1 science vocab Flashcards
(10 cards)
Bacteriophage
a virus that infects bacteria
transformation
the process where one strain of bacteria is changed by a gene or genes from another strain of bacteria
nucleotide
monomer of nucleic acids made up of a sugar, phosphate and base
base pairing
principle that bonds in DNA can form only between A-T and between G-C
result Griffith’s experiment
in transformation, something caused bacteria that weren’t affective to become affective when in the presence of affective bacteria. He found a transforming factor.
result of avery’s experiment
DNA is the transforming factor
result of Hershey-Chase experiment
DNA is a genetic material
who discovered DNA
Watson and Crick, with help of Franklin’s X-ray. the found out DNA was a double helix with bases on the inside.
Chargaff’s rule
the same number of A and T bases are in any sample of DNA as well as G-C bases
DNA replication
DNA is split by a protein and two new sides were added making a new and old side