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Frayer Model
DEFINITION
CHARACTERISTICS
 Structured as a “double helix”
 Holds genetic material
 Full name is deoxyribonucleic
acid
EXAMPLES/MODELS

 Contains a backbone of five
carbon sugars
 Contains nucleotides
 First seen under a microscope in
1869
 Structure discovered by scientists
Watson and Crick in 1953
DNA
NON-EXAMPLES
 Lipids
 Chromosome
 Centromere
 Virus
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