What is a "template"
a blueprint for how the DNA is to be made
What are the "directions" of DNA?
3' and 5'
What does DNA helicase do?
unwinds the DNA
Which base does C bind to?
G
What did Rosalind Franklin do?
Take a picture (x-ray) of DNA
What is the Leading strand?
the strand created in one continuous build
What does "semiconservative" mean?
a new DNA is made from one strand of the old dna, and a newly made strand
What does RNA primase do?
primes the DNA, marks where the starting point is for DNA creation
Which base does G bind to?
C
What did Griffith do?
experimented with mice, showed that DNA can transfer from bacteria to bacteria
What is the lagging strand?
the strand made in fragments, slower and not continuous
What direction is DNA built
from 5' to 3'
What does DNA polymerase do?
builds the new strand/bases
Which base does A bind to?
T
What did Watson and Crick do?
Used a photo of DNA to figure out its shape
What is the shape of DNA
double helix
What does DNA ligase do?
"glues" the bases together between the primer bases and the bases laid by DNA polymerase
Which base does T bind to?
A
What did Hershey and Chase do?
used radioactive tracers to prove that DNA was the genetic material, not proteins
What is a nucleotide made up of? (You can mispronounce the 1st word slightly)
Phosphate, sugar, base
What does a pyrimidine base bind to?
a purine