Chemistry Problem Set: Molecular Behaviour

Are the following questions true or false?
a) A carboxylic acid favours the ion form (R-COO-) and its pH is higher than its pKa.
b) In most membranes, the polar heads of the phospholipids align towards the middle of the membrane.
c) All proteins contain either an alpha helix or beta sheets.

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Solution Preview is acidic. This would suppress dissociation of acetic acid giving preference to its non ion form (CH3COOH).

b) FALSE. In a cell membrane (which is composed of a two lipid ...