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Biology Unit 1

Vocab

TermDefinition
Biology The study of living things.
Abiotic Nonliving factors in an environment.
Biotic Living factors in an environment.
Independent Variable What is being tested; the variable that is manipulated.
Dependent Variable The responding variable; responds to the changes made to the independent
Contant Stays the same throughout the experiment.
Control Group The group that acts as the standard for comparison. The “normal” group.
pH Measurement of how acidic of basic a solution is.
Acidic Has a pH below 7
Basic Has a pH above 7
Neutral Has a pH of 7 (pure water)
Organic Molecules Have the element Carbon in them.
Inorganic Molecules Do not have the element Carbon in them.
Carbohydrates Also known as saccharides. Main source of energy (short term). Subunits: monosaccharides.
Cellulose Complex carbohydrate found in within the cell walls of plants. Used for structural purposes.
Glycogen Carbohydrate found in animal cell muscles and liver. Used for energy storage. (short term)
Lipds Used for long term energy storage, some structure, insulation. Found in cell membrane. No real subunits, but made of glycerol and fatty acids.
Proteins Used for everything. Subunit: Amino Acids.
Metabolism The sum of all chemical reactions in an organism.
Catabolism Breaking down of molecules.
Anabolism Building up of molecules.
Enyzme Protein that speeds of chemical reactions by lowering the amount of energy (activation energy) required for the reaction to take place.
Catalyst Another name for enzyme.
Substrate Molecule that enzymes work on
Products What the enzyme helps produce in the reaction
Active Site Part of the enzyme the substrate molecule fits in to.
Denature Changing the shape of a protein (enzyme), mostly by temperature or pH.
Amino Acids Building blocks of proteins
Nucleic Acids Transmit hereditary and genetic information. Subunits: Nucleotides
Universal Solvent Water. It is said to be a universal solvent because it dissolves more substances than anything else.
Solvent A substance that dissolves other things.
Solute A substance that is dissolved.
Solution Mixture of both a solvent and a solute.
Bi Two
Bio Life
Co With, together
Di Two
Homeo Same
Logy Study of
Tri Three
Uni One, single
Amyl Starch
Ana Up
Ase Enzyme
Cata Down
Gluc Sugar
Gylc Sugar
Hydr Water
Iso Same
Lip Fat
Lysis Break down
Macro Large
Mono One
Ose Sugar
Poly Many
Sacchr Sugar
Syn With, together
Created by: 00011052