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Anatomy/Physiology
Unit 2 Vocabulary
| Question | Answer |
|---|---|
| Atoms | Smallest particle of an element,that contains the chemical characteristics of that element. |
| Subatomic Particles | Neutron, Proton, and Electron |
| Element | Simplest type of matter with unique chemical properties. |
| Atomic Number | Equal to the number of protons in each atom. |
| Mass Number | The total number of protons and neutrons in a nucleus. |
| Isotopes | Two or more atoms with the same atomic number, but contain a different number of neutrons. |
| Energy Levels | The fixed amount of energy that a system such as a molecule, atom, electron, or nucleus, can have. |
| Chemical Bonds | Occurs when the outermost electrons are transferred or shared between atoms. |
| Anions | A negatively charged ion. |
| Cations | A positively charged ion. |
| Kinetic Energy | Energy that a body possesses when in motion. |
| Potential Energy | The energy possessed by a body based on position, stresses within itself, electric charge, and other factors. NO MOTION. |
| Catabolism | The breakdown of complex molecules in living organisms to form simpler ones, together with the release of energy; destructive metabolism. |
| Anabolism | The synthesis of complex molecules in living organisms from simpler ones together with the storage of energy; constructive metabolism. |
| Decomposition | Basically breaks or dissolves something. AB - A+B |
| Synthesis | Basically makes something. A+B - AB |
| pH Scale | The concentration of hydrogen ions. |
| Amino Acids | A simple organic compound; the monomer for Proteins. |
| Polypeptides | A polymer of amino acids joined together by peptide bonds. |
| Steroids | Organic compounds with a molecular structure of four rings of carbon atoms. |
| Peptide Bonds | The bonds that join amino acids together to form polypeptides. |
| Nucleotides | A compound consisting of a nucleoside linked to a phosphate group; the monomer for Nucleic Acid. |
| ATP and ADP | ATP is the main source of energy for cellular reactions. Made of 3 phosphate. Use one phosphate and it turns to ADP. ADP is a 2 phosphate |
| Cytokinesis | The cytoplasmic division of a cell at the end of mitosis or meiosis, creating two daughter cells. |
| Stem Cells | an undifferentiated cell of a multicellular organism that is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation. |
Created by:
BrittD2015
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