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Unit 1

Properties of Water

QuestionAnswer
Hydrogen bonds Bond between the hydrogen atoms.
Cohesion The tendency to stick with other water molecules.
Adhesion The tendency of water molecules to stick to other things.
Surface Tension Waters ability to form a tight surface layer due to cohesion.
Capillary Action Waters ability to climb up small holes ( root tissues) due to cohesion and adhesion.
High Specific Heat Water resists change in temperature- Water absorbs a lot of heat in order for the temperature to change.
Polarity It makes water a Universal Solvent.
Polar Unequal sharing of electrons- Oxygen atom is negative and Hydrogen atom is Positive.
Solvent Dissolves solute - Water
Solute Substance that dissolves - Salt, Sugar
Monomer a molecule or small group of atoms that can bond with other molecule to form a larger structure called a polymer
Hydrolysis Process of adding water to break polymers apart into their small subunits.
Dehydration Synthesis Linking several monomers together creating a polymer.
Macromolecule They are made from hundreds or even thousands of smaller monomers linked together.
Carbohydrates Source of Energy
Lipids Stores large amounts of energy, part of the cell membrane, insulation, protection.
Proteins Amino acids joined together- movement, eyesight, digestion
Nucleic Acids Store and transmit genetic information- DNA, RNA, ATP
Created by: sophykp
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