Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

6. Cell Membrane & Transport

Introduction to Membrane Transport

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Introduction to Membrane Transport

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Which Molecules Freely Cross Membranes?

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Problem

Which molecule most easily diffuses across a biological membrane’s lipid bilayer, without help of a protein?

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Map of the Lesson on Membrane Transport

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Problem

According to the map above, what kind of large molecule transport is also called the process of cell “eating”?