The question doesn't have choices. It would be better to have one.
Answer: B
Why? It is not A or D for many reasons but cell differentiation is used for very specific functions as cell determination is used for different embryonic functions. Based on the diagram I seems to me that it is not very specific so that’s why I think it’s B
(If it’s not be then is 100% C but B makes more sense)
Hope this helps
<span>Both the mushroom and the gecko are heterotrophs: they need to acquire their food from other sources. The tree, on the other hand, is an autotroph--it gains most of its nutritional needs through photosynthesis.</span>
thats the plasma membrane. its the outside of a cell :)
hope that helped! <3