Question

question 1 in the dehydration reaction that joins monomers of macromolecules together... a water is gained b energy is gained c polymerization is gained d water is produced e energy is lost

Explanation:

A dehydration reaction (or condensation reaction) occurs when monomers are linked to form polymers (macromolecules). In this process, one monomer donates a hydroxyl group ($-OH$) and another donates a hydrogen ($-H$), which combine to form a water molecule ($H_2O$). So water is produced, not gained. Energy - related options: Dehydration reactions (polymerization) are endergonic in some cases but the key here is about the product of the reaction. Option C is incorrect as "polymerization is gained" is not the right way to describe it. So the correct answer is D.

Answer:

D. water is produced