Paracrine signaling mechanisms and transcription factors have
been seen to play key roles in several different developmental
processes throughout both the invertebrate and vertebrate animal
kingdom.
a. Pick ONE signaling mechanism. Using two different
developmental stages/processes, within ONE organism, and describe
HOW it is used in each.
Pick ONE signaling mechanism. Using two different model
organisms studied this semester, Compare and Contrast how that ONE
mechanism is used at the SAME developmental stage/process in
each.