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Cards In This Set
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Hierachic System
(largest to smallest)
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Kingdom, Phylum, Class, Order, Family, Genus, Species
K, P, C, O, F, G, S
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Charles Darwin
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1859 Origin of Spcies- "descent with modification"
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Science Process
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Hypothesis, Statement or explanation of events
Experiment- repeatable procedure gathering data
Conclusion-
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Water- general
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Substance that makes life possible
Covalently bonded to 1 oxygen atom
Polarity of it's bonds
-allows for H bonding between molecules.
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Water attributes
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High specific heat- allows water to resist shifts in temp.
Versatile Solvent
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Specific Heat
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The amount of heat necessary to raise the temperature of 1 gram of that molecule by 1deg Celsius.
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Hydrogen bonding
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Results in strong COHESION and ADHESIVE properties.
Cohesion- ability of molecule to staty bondded or attracted to another molecule of same substance. (water beading on car)
Adhesion- ability to bond to or attract other molecules or substances- (spray on wall)
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Water frozen
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Forms LATICE- molecules spread apart= Floating
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Biologic Molecules
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Carbohydrates
Lipids
Proteins
Nucleic Acid
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Carbohydrates
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Long chains or polymers of sugar.
Used for STORAGE, STRUCTURE, ENERGY.
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Lipids
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Fats
Fatty Acids
Phospholipids
Steroids
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Fatty Acids
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Saturated
Unsaturated
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Saturated Fat
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No double bonds in their hydrocarbon tail.
Solid
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Unsaturated Fat
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One or more double bonds in hydrogarbon tail.
Liquid at room temperature
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Phospholipids
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Consist of two fatty acids of varying length, bonded to phosphate group.
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