Answer:
options A, B, D and E
Explanation:
leucine codons include: UUA, UUG, CUU, CUC, CUA, CUG
phenylalanine codons include: UUU, UUC.
<u>C</u>UU
replace C with U to give
UU<u>U</u> phenylalanine codon
replace underlined with A
UUA leucine codon
<u>C</u>UC
replace underlined with U
UU<u>C</u> phenylalanine codon
replace underlined with A or G
UUA, UUG leucine codons
UU<u>G</u>
replace underlined with U
<u>U</u>UU phenylalanine codons
replace underlined with C
CUU leucine codon
UU<u>A</u>
replace underlined with U or C
<u>U</u>UU or <u>U</u>UC phenylalanine codons
replace U with C
CUU or CUC leucine codons
