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A1.2 HL Chargaff (1950)
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Total cards: 5•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
Who was Erwin Chargaff?
Back (Answer)
Biochemist who analyzed base composition of DNA.
#2
Front (Question)
What method did Chargaff use?
Back (Answer)
Paper chromatography + UV spectrophotometry to measure nucleotide proportions.
#3
Front (Question)
What did Chargaff discover?
Back (Answer)
DNA composition varies between species but has consistent patterns.
#4
Front (Question)
What is Chargaff’s Rule?
Back (Answer)
%A = %T, %C = %G (base pairing regularity).
#5
Front (Question)
Why was this important?
Back (Answer)
Suggested bases are paired in DNA → key for Watson & Crick’s model.