4. Biomolecules

Monomers & Polymers

Overview of Biological Macromolecules

Building & Breaking-Down Polymers

GCSE Chemistry - What is a Polymer? Polymers / Monomers / Their Properties Explained  #23

Biological Macromolecules

_________ bonds are formed between monomers to form a polymer.&nbsp;a) Ionic bonds.b) Covalent bonds.c) Hydrogen bonds.d) Hydrophobic bonds.e). &nbsp;Nuclear bonds.

Animation: Making and Breaking Polymers

Monomer vs Polymer

Dehydration reactions allow solutions to evaporate; hydrolysis reactions dissolve solutes.

Dehydration reactions and hydrolysis reactions assemble polymers from monomers.

Hydrolysis reactions create polymers from monomers; and dehydration reactions create monomers from polymers.

Dehydration reactions create polymers from monomers; hydrolysis reactions break down polymers.

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.

 No. Hydrolysis is the process by which polymers are separated into monomers. 

 No. Linking polymers together would be a polymerization. 

 No. This would be true only for the special case of linking amino acids together to form a polypeptide. 

 No. But this may occur to molecules that are already polymerized. 

When molecules are linked, water is formed.

What is the process by which monomers are linked together to form polymers?

 a monomer is broken up into its constituent polymers; produced 

 No. Monomers are smaller than polymers and are combined to form a polymer. 

 monomers are assembled to produce a polymer; consumed 

 No. Hydrolysis describes a catabolic process, although water is consumed during hydrolysis. 

 monomers are assembled to produce a polymer; produced 

 No. Hydrolysis describes a catabolic process. Look for an answer with fewer reactants and many products. 

 a polymer is broken up into its constituent monomers; produced 

 No. This choice is partially correct. In hydrolysis water is utilized as a reactant; water is not a product of a hydrolysis reaction. 

 a polymer is broken up into its constituent monomers; consumed 

Consider the meaning of the suffix -lysis together with the prefix hydro-.

In a hydrolysis reaction, __________, and in this process, water is __________.

 No. A hydrogen bond is a relatively weak bond. 

 No. This specific type of covalent bond is not found in polysaccharides. 

 No. Van der Waals interactions do not link monomers together. They play a role in the tertiary structure of proteins. 

If polymers are so important to living organisms, they should be held together by strong bonds.

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.

Monomers and Polymers

The molecular formula for glucose is C6H12O6. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions?
a. C60H120O60
b. C60H102O51
c. C60H100O50
d. C60H111O51

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