thymine, adenine, guanine, cytosine
parts of the double helix
deoxyribose and phosphate molecules
what is the double helix made of?
instruction manual that builds and maintains cells
dna's two jobs
what does adenine go with?
what does thymine go with?
what does guanine go with?
what does cytosine go with?
made first xray of dna, proved the spiral shape
built first model of dna, won the nobel prize
watson and crick
found equal amounts between base pairs
erwin chargaff (chargaffs rules)
rosalind franklin, watson and crick, erwin chargaff
what are the 4 scientist?
how long is the dna is in each cell?
a piece of code that gives the cell its trait
deletion, insertion, substitution
types of mutations
when a base is left out
when a base is added
occurs when the wrong base connects