Which of these is responsible for initiating a signal transduction pathway? which of these is responsible for initiating a signal transduction pathway? a b c d e?

As a small change in a person's dna can cause a genetic disorder

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?