kk1 Flashcards
mRNA
carries genetic inforation from the nuclus to the ribosomes for protein synthesis
rRNA
seres as the main structural component of ribosomes within cells
tRNA
delivers specific amino acids to the ribosomes after recognising specific nucleotide sequences
degenerate genetic code
many different codons can code the same amino acid
unambiguous genetic code
each codon is only capable of coding for a single amino acid
non-overlapping genetic code
each triplet or codon is read independently of adjacent triplets or codons
universal genetic code
nearly all living organisms use the same set of rules and codons to code for proteins.
exons
coding regions of DNA
introns
non-coding regions of DNA
operator
binding site for repressor proteins
termination sequence
a sequence of DNA which signals the end of transcription
promoter
binding site of RNA polymerase, denoting the starting position of transcription
regulatory gene
code for transcription factors (proteins)
structural gene
genes that will code for a specific protein (or in this case, enzyme)