Card Set Information
DNA Replication. Includes famous studies about the origin of genetic material.
Avery Mccarty and Macleod heat shocked cells and exposed them to what?
Proteases, DNAases, RNAases
Hensley and Chase
Virus that infects bacteria
Griffith did what with streptococcus pneumoniae
S strain and R strain. Heat shocked S with R strain killed mice
Change in genetic composition due to assimilation of external DNA
Transformation is also know as the
Nucleic Acids have how many bases
What are the four bases
Adenine, thymine, guanine, and cytosine.
Adenine pair with...
Cytosine pairs with...
Purines are a _______ structure
The two purines are....
Adenine and guanine.
Pyrimidines are a _______ structure
Number of H-bonds between A and T
Number of H-bonds between C and G
A nucleotide is a
sugar + base + phosphate group
Pauling, Wilkins, and Franklin
a phosphodiester bond is a
very strong covalent bond
sugar phosphate backbone with base pairing inside
parent strands remain together
parent strands seperate and do not come back together
Meselon and Stahl
one circular strand of DNA
multiple linear chromosomes
1 cell division/hour
1/10 billion nt
origin of replication
site where replication starts
prokaryotes have _____ number of OriC
Eukaryotes have _____ number of OriCs
specific protein binding sites
attach and cause seperation and then a replication bubble
single strand binding proteins. stabilize single strand regions
make a short single stranded nucliec acid
can't start DNA replication de nova
requires a double strand start point
prokaryotes have _____ polymerases