Vocab Word Scramble
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Term | Definition |
Buffers | Weak acids or bases that can react with strong acids or bases to prevent sudden changes in pH |
Macromolecules | Carbon molecules in living things that are so large |
Monosaccharides | molecules with one sugar molecule |
Lipids | (fats,oils,and waxes) Carbon hydrogen atoms Used to store energy and form parts of the biological membranes and waterproof coverings |
Nucleic Acids | (hydrogen,oxygen,nitrogen,phosphorus) Nucleotides:5- carbon sugar, a phosphate group, and nitrogen base Transmits heredity info |
Proteins | (nitrogen,carbon,hydrogen,& oxygen) polymers of amino acid Regulate cell process, form cellular structures, carry substances in & out of cells, help fight disease |
Chemical Reaction | process that changes one set of chemicals into another set of chemicals |
Reactants | Elements or compounds that enter into reaction |
Activation Energy | Energy needed to get a reaction started |
Enzyme | Protein that acts as a biological catalyst |
Catalyst | Substance that speeds up the rate of the chemical reaction |
Substrates | In an enzyme - catalyzed reaction, the reactants are known as substrates |
Laesur | Lowers activation energy and speeds up reaction |
Protons | Positive Charge |
Neutrons | No Charge |
Electrons | Negative charge. Electrons constantly move around the space surrounding the atom's nucleus |
Isotopes | Atoms of the same element that differ in the # of neutrons |
Element | Pure substance that consists entirely of one type of atom |
Compound | substance formed by the chemical combination of two or more elements in definite proportions |
Ionic Bonds | Forms when one or more electrons are transferred from one atom to another forming ions |
Covalent Bond | Electrons are shared rather than transfered |
Molecule | Atoms joined by covalent bonds |
Van der Waals Forces | Bends the molecule down |
Adhesion | An attraction between molecules of different substances Ex/tape and skin |
Base | Compound that forms OH- ions in solution |
pH Scale | Measures the concentration of hydrogen ions in a solution |
Suspensions | Mixtures of water and undissolved materials |
Mixture | Material composed of 2 or more elements or compounds that are physically mixed together but not chemically combined |
Acid | Any compound that forms H+ ions in solution |
Atom | The basic unit of matter |
Products | Elements or compounds produced by the reaction |
Cohesion | An attraction between 2 molecules of the same substance Ex/tape and tape |
Solution | Mixture in which all the components are spread out |
Solute | The substance dissolve |
Solvent | The substance causing the dissolving |
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winnie_luv
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