1. Who discovered restriction endonucleases, and in what year?
2. What is the structure of DNA primarily characterized by?
3. Who is credited with discovering the restriction endonucleases used in DNA fingerprinting, and in which year was this discovery made?
DNA structure — components?
Double helix with bases, sugar, phosphate backbone.
Base pairing — rules?
A pairs with T; G pairs with C.
DNA components?
Bases, sugar, phosphate backbone.
Base pairing rule?
A pairs with T; G pairs with C.
Restriction enzymes — role?
Cut DNA at specific sequences.
DNA fragmentation — purpose?
Produce smaller DNA pieces for analysis.
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