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3 types of RNA
mRNA, tRNA, rRNA
mRNA
Copies the dna and leaves the nucleus
tRNA
Carries amino acids to the mRNA in a ribosome
rRNA
Forms two subunits of ribosome
Central Dogma
DNA-RNA-Protein
Transcription
Unzipping the dna and rna polymerase makes a copy
Translation
Making a protein.
Point mutations
Silent, missense, nonsense
silent
codon changes but not the amino acid
missense
Codon changes which changes the amino acid
Nonsense
Codon changes to a stop codon. Protein can not be made.
Frame shift mutations
insertion, deletion
Insertion
Adds an extra codon
deletion
removes a codon