A base-pair substitution mutation in a germ cell line is likely to have NO effect on phenotype if the substitution . A. occurs in an intron changes a stop codon to a codon
B. specifying an amino acid changes the structure of an enzyme
C. prevents the initiation of transcription of the DNA
D. sequence that codes for ATP synthase forms a new stop codon

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .