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Biology Chapter 12

Across
Base found only in RNA
Three letter sequence that positions an amino acid
Sugar, phosphate, base
British scientist who discovered DNA's structure
Changes in DNA sequence that affect genetic informaton
Process discovered by Griffith
She did x-ray diffraction
Always pairs with cytosine
Watson and Crick got one of these prizes
Followed up Griffith's experiment
Down
RNA's sugar
Mutation that occurs at a nucleotide
Pneumonia victims in Griffith's experiment
Twisted shape
Base found only in DNA
Mutation that affects entire chromosomes
American who discovered DNA's structure
DNA's sugar
Type of RNA that gets template from DNA
Mutation that inserts an extra nucleotide
All nucleotides have this
3 letter sequence that tRNA has
Type of "acid" that makes proteins
Type of RNA that bonds with an amino acid
These "unzip" DNA for replication or transcription