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8 Cards in this Set
- Front
- Back
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What are the 4 classes of life’s large biomolecules? Which of these are polymers?
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Carbohydrates (polymer)
Lipids (not polymer) Proteins (polymer) nucleic acids (polymer) |
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What is a polymer? What is a condensation reaction? What is hydrolysis?
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A polymer is a long molecule consisting of many similar building blocks
These small building-block molecules are called monomers Polymers are assembled from monomer sub units by a process called condensation A condensation reaction (aka dehydration reaction) occurs when two monomers bond together through the loss of a water molecule. Polymers are disassembled to monomers by hydrolysis, a reaction that is the reverse of the dehydration reaction (uses up a water molecule). |
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What are polymers of sugar called?
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Carbohydrates include sugars and the polymers of sugar (like starch)
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What is a monosaccharide? What is the most common monosaccharide and what is its chemical formula?
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Monosaccharide is the simplest carbohydrate
Glucose (C6H12O6) is the most common monosaccharide |
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What is a disaccharide? Be able to give an example.
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A disaccharide is formed when a dehydration reaction joins two monosaccharides into a short polymer.
This covalent bond is called a glycosidic linkage |
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Is the following molecule a carbohydrate? How do you know?
C18H34O2 |
No because the Oxygen quantity is too low to be a series of monosccharides dehydrated together.
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Which of the following functional groups do sugars contain? Hydroxyl, carbonyl, carboxyl, amino, sulfhydrl, phosphate, methyl?
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Hydroxyl
Carbonyl |
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What is the difference between ketose and aldose sugars?
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Location of the C=O. Aldoses has them at the end and also have a H+ attached to it. Ketose is one middle (one off from the edge C) and doesn't have a H+ attached to it.
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