Which of the following DNA mutations is likely to have the most negative effect on the protein it specifies? A.) A codon deletion at the end of a sequence

B.) A base pair deletion, resulting in a different amino acid

C.) A substitution for one serine codon for a different serine codon

D.) A substitution for one stop codon for another stop codon

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

Individuals do not compete directly for resources, but are prey for the same predator

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?