Question

What is Calculus? What is a cell membrane?​

Answer 1

Answer:

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Cell membranes are composed primarily of fatty-acid-based lipids and proteins. Membrane lipids are principally of two types, phospholipids and sterols (generally cholesterol). ... They can also attach to the second type of protein, called the intrinsic proteins.

Answer 2

Answer:

I hope it's helpful for you.