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Unit 1: Study Terms


Biology Study of living things.
Aboitic Nonliving factors in the environment.
Levels of classification of life (smallest to largest) Cells-> Tissues -> Organ Systems -> Population -> Community -> Ecosystem -> Biosphere
Scientific Method 1. Problem 2. Hypothesis -- educated guess 3. Experiment-- test of a hypothesis 4. Data Analysis 5. Conclusion
Independent Variable What "I'' (the experiment) can change; the cause (what is being tested)
Dependent Variable The result.
Constant Stays the same throughout the experiment.
Control Standard of comparison.
"Balance" between internal and external enviorment. homestasis
Data Information gathered from an experiment.
Element Substance that cannot be broken down and is made up of only one item.
Atom Smallest unit of an element (matter)
Bond An attraction between two atoms that allow the formation of a chemical substance.
Ionic Bond Transferring of electrons
Covalent Bond Sharing of electrons
Peptide Bond Attraction between two amino acids.
pH Measurment of how acidic or basic a solution is. ACIDIC (1-6), Neutral (7), BASIC (8-14)
Organic Molecules Molecules that consist of the element carbon. EX: C6H12O6 (Glucose)
Inorganic Molecules Molecules that do not consist of the element carbon. Ex: NaCl (Sodium chloride)
Carbohydrates Also known as Saccharides, main source of energy (short term). Subunits: Monosaccharides.
Benedicts Solution Used to test for CARBOHYDRATES: Sugars
Iodine Used to test for CARBOHYDRATES: Starches
Cellulose Complex carbohydrate found within the cell walls of plants. Used for structural purposes.
Glycogen A carbohydrate found in animal cell muscles and liver. Used for energy storage.
Lipids Used for long-term energy storage; found in the membrane. Subunits: Fatty acids and Glycerol
Proteins Used for everything (transport, storage, speeding up reactions). Subunits: Amina acids
Enzyme The protein that catalyzes (speeds up) chemical reactions by lowering the amount of energy needed by the reaction.
Amino Acids Building blocks of proteins.
Nucleic Acids Transmit hereditary and genetic information. Subunits: Nucleotides
Nucleotide Subunit of Nucleic Acids. Consist of a 5-carbon sugar, Nitrogenous bases, and a phosphate group.
ATP Adenosine Triphosphate; ENERGY
Created by: victorianoble123
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