Facts
DNA structure
DNA structure
History
100

Where in a cell is DNA found?

nucleus 

100

What do proteins make?

amino acids

100

what pair forms a triple bond

C and G

100

who produced the x-ray image?

Franklin 

200

What does DNA do before cell division?

Replicate

200

what are the 4 nucleotides? 

A, T, C, G

200

what pairs with a purine

pyrimidine 

200

who came up with double helix structure?

Watson and Crick

300

What is coiled DNA found in the nucleus called?

chromosome

300

what are the two groups of nucleotide base pairs?

purine

pyrimidine 

300

what structure has a double ring?

purine

300

Who noticed that nucleotides were different between species?

Chargraff

400

What is a segment of DNA?

A gene

400

Where are the phosphates and sugars on a DNA molecule?

handrails of ladder

400

What shape is DNA referred to as?

double helix

400

T=A

G=C

is what rule?

Chargraff

500

what are chromosomes made of?

proteins and nucleic acids

500

What holds the base pairs together?

hydrogen bonds

500

what is the term used to describe that one strand of DNA is 5'-3' and the other is 3'-5'?

antiparallel 

500

If you had 16% of G how much percent is A?

34%

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