AAMC7 Cll Differentiation?

[nabilesmail]

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Can someonme please explain this passage + questions to me. I know it will take a lot of time but even when reviewing, I have no idea how to interpret this passage :/ I tought cell differentiation was a pretty easy topic until this one. Thanks!

 

[nabilesmail]

bumpity bump bump

 

[bumbel10]

Can someonme please explain this passage + questions to me. I know it will take a lot of time but even when reviewing, I have no idea how to interpret this passage :/ I tought cell differentiation was a pretty easy topic until this one. Thanks!

hahaha this passage single handedly destroyed my score. I would be interested in some clarification too

 

[nabilesmail]

I know, same haha. I'm still clueless.....