Polypeptides are synthesized from amino acid building blocks. the condensation reactionbetween the growing polypeptide chain and the next amino acid to be added involves the loss of ________________. (a)a water molecule.(b)an amino group.(c)a carbon atom.(d)a carboxylic acid group.4-4the variations in the physical characteristics between different proteins are influenced by the overall amino acid compositions, but even more important is the unique amino acid ______________.(a)number.(b)sequence.(c)bond.(d)orientation.page 1 of 29