Each of the following molecules move across membranes by simple diffusion except

Different lipids are symmetrically distributed to each monolayer of a typical lipid bilayer.

The β-barrel is an essential component to the structure of which of these types of protein?

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A peptide bond

Fluorescence Recovery After Photobleaching (FRAP) is used to study:

Animal cells maintain their cytoplasm in an isotonic state relative to their surroundings.

The main covalent bond holding the primary structure of proteins together is the hydrogen bond.

An example of a pump used for indirect active transport is the:

Of the following molecules, which would you predict diffuses most readily across a pure phospholipid bilayer?