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There was a book called Zac featured in Cosmopolitan magazine a few months ago. It's an adult book, I guess you could say, and the author is a female. Does anyone know who it's by?

If so, what's the website?

What are the six substances that an enter the plasma membrane and the nine that can't enter without transport proteins? I don't have a book or else I'd look it up and the internet wasn't any help.