Multiple Choice
The type of bond that forms to join monomers (such as sugars and amino acids) into polymers (such as starch and proteins) is a(n) __________ bond.
4. Biomolecules
Monomers & Polymers
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Which of the following statements concerning dehydration reactions and hydrolysis is correct?
a) Dehydration reactions allow solutions to evaporate; hydrolysis reactions dissolve solutes.
b) Dehydration reactions and hydrolysis reactions assemble polymers from monomers.
c) Hydrolysis reactions create polymers from monomers; and dehydration reactions create monomers from polymers.
d) Dehydration reactions create polymers from monomers; hydrolysis reactions break down polymers.
A
Dehydration reactions allow solutions to evaporate; hydrolysis reactions dissolve solutes.
B
Dehydration reactions and hydrolysis reactions assemble polymers from monomers.
C
Hydrolysis reactions create polymers from monomers; and dehydration reactions create monomers from polymers.
D
Dehydration reactions create polymers from monomers; hydrolysis reactions break down polymers.
Verified step by step guidance1
Understand the basic concepts: Dehydration reactions involve the removal of a water molecule to form a new bond, typically joining monomers to form polymers. Hydrolysis reactions involve the addition of a water molecule to break bonds, typically breaking down polymers into monomers.
Analyze the first statement: 'Dehydration reactions allow solutions to evaporate; hydrolysis reactions dissolve solutes.' This statement is incorrect because dehydration reactions are not related to evaporation, and hydrolysis reactions do not dissolve solutes but rather break down polymers.
Evaluate the second statement: 'Dehydration reactions and hydrolysis reactions assemble polymers from monomers.' This statement is incorrect because hydrolysis reactions do not assemble polymers; they break them down.
Consider the third statement: 'Hydrolysis reactions create polymers from monomers; and dehydration reactions create monomers from polymers.' This statement is incorrect because it reverses the roles of the reactions.
Review the correct statement: 'Dehydration reactions create polymers from monomers; hydrolysis reactions break down polymers.' This statement accurately describes the processes of dehydration and hydrolysis reactions.
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