Which of the following chemical reactions is represented in the figure? a) joins two fatty acids together
b) links two polymers to form a monomer
c) is a hydrolysis reaction
d) results in a peptide bond

This is d) because this is a condensation reaction it produces water which is happening so it cannot be hydrolysis reaction. When this water leaves the reaction we are left with
——C——N——
|| |
O H
Because we have taken the OH and H away which when added together makes H20 which is water! So this link is called an amine link or a peptide link! Which is what we have been left with!
Hope it helped :)

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