Problem:
Question 1: What do we mean when we say a cell is competent?
Question 2: Of the four major paracrine signaling pathways (FGF, Wnt, TGF-beta and hedgehog), a) which pathways can be turned on by a null mutation in one of the components of the pathway? And b) what are the components?
Question 3: How do maternal genes establish the A-P axis in Drosophila? Include they're action on Gap genes.
Question 4: How do the genes in a C. elegans operon differ from the genes in a bacteria operon?
I dont need long explanation. Just few sentences of expanation.