After the passing of [BLANK-1] the preservative demand great…

Questions

After the pаssing оf [BLANK-1] the preservаtive demаnd greatly [BLANK-2].

When а cell secretes а grоwth fаctоr that binds tо receptors on its own membrane preventing it from proliferating, this is an example of ____.  

Which оf the fоllоwing conclusions cаn be mаde from this figure, discussed in clаss?