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Jodie Unit 1

The Chemistry of Life

QuestionAnswer
4 properties of water cohesion,adhesion,surface tension; moderation of temperature; expansion upon freezing; versatility as a solvent
What is the speed of water molecules at as the temperature of water lowers? slow
Based on the pH scale what liquid is neutral? water
A property that water has because of it has two differently charged ends is called polarity
Water can dissolve all most all substances that have what kind of bonds? ionic bonds (or polar covalent bonds)
Fats and oils are form what? lipids
In dehydration reactions what molecule is removed from two monomers to form a polymer? water molecule
How is a hydrolysis reaction the opposite of a condensation reaction? it adds a water molecule back to the polymer and two monomers are made
What three different sizes do carbohydrates come in? monosaccharides, disaccharides, polysaccharides
What type of fat has a double-bond which allows it to remain liquid at room temperature? Unsaturated fats
What type of lipids provide long-term energy storage, insulation, and waterproofing? fats
What are the four levels of protien structure? primary, secondary, tertiary, and quaternary
What does water do when it freezes? it expands
What two functions can a polysaccharide have? structural support, and energy storage
The sugar in a glass of water is a solute
Created by: Jodie Stringer
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