history
dna structured 1
dna structure 2
dna replication 1
odds and ends
100

the men that discovered the double helix

what are Watson and Crick

100

makes up the backbone of the double helix

what is sugar and phosphate?

100

rules that determine how nitrogen bases bond

what are the base pairing rules?

100

The enzyme that separates the two strands by breaking hydrogen bonds

what is dna ligase?

100

the number of hydrogen bonds between C and G

what is 3?

200

the woman that did x-ray crystallography

who is Rosalin Franklin?

200

the result of twisting the dna molecule

what is a the double helix?

200

One strand is 5'-3' and the other is 3'-5'

what is antiparallel?

200

the enzyme that adds new nucleotides in replication

what is dna polymerase?

200

the enzyme that proofreads

what is dna polymerase?

300

these two men showed that the dna was transferred from a virus to a bacteria

who are Hershey and Chase?

300

the nitrogen base that bonds to cytosine

what is guanine?

300

the two purines

what are A and G?

300

the complementary strand to AACCGGTT

what is TTGGCCAA?

300

the scientist that discovered transformation

who is Griffith?

400

the man who discovered that a=t and g=c

who was Chargaff?

400

the number of nitrogen bases in dna

what is 4?

400

the two pyrimidines

what are cytosine and thymine?

400

the number of errors in replication

what is 1:10,000?

400

what bases are attached to in the backbone

what is sugar?

500

the person that made x-ray diffraction studies of dna

Who is Rosalind Franklin?

500

the molecule with phosphorus in it

what is phosphate?

500

the number of carbons in deoxyribose

what is 5?

500

what signals replication to stop

What is all the dna is copied?

500

the area where the double helix separates

what is the replication fork?

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