Compare the structure of a soap molecule to a phospholipid and explain why a soap's polar head is smaller than that of a phospholipid. a. The phospholipid head group contains less atoms than the three atoms in the carboxylate head group of a soap. b. The phospholipid head group contains many more atoms than the three atoms in the carboxylate head group of a soap.

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Compare the structure of a soap molecule to a phospholipid and explain why a soap's polar head is smaller than that of a phospholipid.

a. The phospholipid head group contains less atoms than the three atoms in the carboxylate head group of a soap.
b. The phospholipid head group contains many more atoms than the three atoms in the carboxylate head group of a soap.

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