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bio 121 final
biology 121 final
Question | Answer |
---|---|
nonsense mutation | A mutation that changes an amino acid codon to one of the three stop codons, resulting in a shorter and usually nonfunctional protein. |
missense mutation | A base-pair substitution that results in a codon that codes for a different amino acid. |
silent mutations | Is when a mutation is there, but does not change the normal gene function. |
how many bases long is every tRNA | 80 |
how many types of tRNA are there? | 45 |
The anticodon of a particular tRNA molecule is | complementary to the corresponding mRNA codon |
the genetic code is redundant | more than one codon may specify a particular amino acid |
DNA is ...... into RNA | transcribed |
RNA is ...... into protein | translated |
transcription in eukaryotes produces | pre-mRNA or primary transcript |