例句與造句

1. Nonsense mutations that created this premature stop codon were later called " opal mutations " or " umber mutations ".
2. ;opal mutations or umber mutations ( UGA ) : the third and last stop codon in the standard genetic code was discovered soon after, corresponding to the nucleotide triplet " UGA ".
3. It's difficult to find opal mutation in a sentence. 用opal mutation造句挺難的