Unit 1 IB Bio HL
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226 Terms
Polar
having an uneven distribution of charge
Nonpolar
having an even distribution of charge
Hydrogen bond
A weak bond that forms between water molecules.
Covalent bond
A bond that is found within water molecules.
Cohesion
An attraction between water molecules
Adhesion
An attraction between water molecules and other charged or polar substances
Surface tension
A force that acts on the surface of water
Capillary action
The tendency of water to rise through the veins of a plant
High specific heat
A property of water that allows it to absorb a lot of heat before increasing in temperature.
Solvent properties
A property of water that allows it to easily dissolve and transport many substances.
Organic compounds
Compounds that contain carbon and hydrogen
Carbohydrates
Organic compounds that are energy sources and energy storage molecules
Carbon, Hydrogen, and Oxygen
The elements that make up carbohydrates and lipids
Monosaccharide
The monomer for a carbohydrate
Glucose
A monosaccharide that provides a source of quick energy
Fructose
A monosaccharide that is found in fruits
Galactose
A monosaccharide that is found in dairy products
Sucrose
A disaccharide that is composed of glucose and fructose
Maltose
A disaccharide that is composed of two glucose molecules
Lactose
A disaccharide that is composed of glucose and galactose
Starch
A polysaccharide that stores energy in plants
Glycogen
A polysaccharide that stores energy in animals
Cellulose
A polysaccharide that forms the cell wall in plants
Disaccharide
A carbohydrate that is composed of two monosaccharides
Polysaccharide
A carbohydrate that is composed of many monosaccharides