DNA Structure: The Watson and Crick Model (HSC SSCE Biology): Flashcards
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DNA abbreviation stands for
DNA abbreviation stands for
Deoxyribonucleic acid
Watson & Crick's DNA structure shape
Watson & Crick's DNA structure shape
Double helix (twisted ladder)
DNA base pairing rules
DNA base pairing rules
A pairs with T; G pairs with C
Date Watson & Crick announced DNA discovery
Date Watson & Crick announced DNA discovery
28 February 1953
Three components of a nucleotide
Three components of a nucleotide
Phosphate group, sugar, nitrogenous base
Direction DNA strands run
Direction DNA strands run
Antiparallel (opposite directions)
Purines in DNA
Purines in DNA
Adenine (A) and guanine (G)
Pyrimidines in DNA
Pyrimidines in DNA
Cytosine (C) and thymine (T)
Chargaff's rule about base ratios
Chargaff's rule about base ratios
A:T and G:C ratios are always 1:1
Key base difference between DNA and RNA
Key base difference between DNA and RNA
DNA has thymine (T); RNA has uracil (U)