A Et
= =
nent will
LUAC/ Tyr
DUODU
CCC
CAC)
4
Messenger
Second base in codon
RNA Codons
U
С
А
UUU 1 UCU
Phe
UAUT
UUC
JUGU
U
UCC
UGC) Cys
UUA
Leu
UCA UAA Stop UGA Stop A
UUG UCG UAG Stop UGG Trp
CUU
CCU CAUT
His
CGU U
CUC
CGC
Leu
Pro
CCA
Arg
CAA) Gin CGA
CUG CCG
CAG CGG
AUU ACU
AAU) Ash AGU) Ser
U
lle ACC
AGC
Thr
ACA
AAA) Lys AGA) Arg
AUGS ACG AAG AGG
GUU GCU GAU OGU
GUC
GCC
C
Val
Ala
Gly
GUA GCA GAA GUGGA
GUG) GCG)
GAG)
GGG
Gc
1
CUA
First base in codon
Third base in codon
A AUC
AACI
AUA
GAC)
ASPIGGC
a) What are the bases of mRNA coded for by this section of DNA, before the mutation? Hint
In RNA, A pairs with U. (1 point)