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Science 3

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Question
Answer
Genotype   ones genetic makeup or genes  
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Germinate   develop from a seed into a plant  
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Glucose   one of the simplest and most important sugars which is the basic transportable form of fuel for living organizims  
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Golgi apparatus   packages protein secretions for export  
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Gray matter   neural tissue of brain and spinal cord that contains nerve-cell bodies as well as nerve fibers  
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Halogens   from fluorine to astatine  
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Heat Capacity   the amount of energy needed to raise the temperature of a substance by one degree C or K  
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Hemoglobin   oxygen-transporting component of erythrocytes  
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Helpatic system   circulation in which the hepatic portal vein carries dissolvd nutrients to the liver tissues for processing  
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homeostasis   ability of a cell to regulate a stable internal environment by controlling the passage of fluids into and out of the cell  
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hormones   molecules released to blood that act as chemical messengers to regulate specific body functions  
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hydrocarbon   an organic compound containing only carbon and hydrogen  
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hypertension   high blood pressur  
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hypertonic   lower water concentration than a solution to which its compared  
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hypotension   low blood pressure  
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hypotonic   solution having a higher water concentration than a solution to which it is compared  
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immune system   functional system whose components attack foreign substances or prevent their entry into the body  
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in vitro   in a test tube, glass or artificial environment  
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inert gases   helium to radon, aka noble gases  
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inflamation   non specific degensive response of body to tissue injury  
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inoculation   placement of bacteria onto a culture meduim  
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inspiration   process of breathing in  
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ion   atom with an electric charge due to gain or loss of electrons  
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ionization   adding or subtracting electrons from an atom  
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Isomeres   several molecules with the same composition by different stuctures  
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isotonic solution   a solution with a concentration of nonpenetrating solutes equal to that found in the reference cell  
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isotope   variation of an element characterized by a specific number of neutrons in nucleus  
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Joule   unit of energy equal to 0.239 calorie  
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krebs cycle   aerobic metabolic pathway occurring within mitochondria in which food metabolites are oxidized, c02 is liberated and coenzymes are reduced  
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lipid   organic compound formed of carbon hydrogen and oxygen  
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locomotion   voluntary and involuntary movement of body  
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lymphatic system   complex sysem of thin-walled vessels similar to the blood capillaries which serve to collect lymph fluid from tissues and organs and to transport the fluid to the venous circulation  
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Macrophage   protective cell type common in connective tissue, lymphatic tissue, and certain body organs that phagocytize tissue clls bacteria and other foreign debris, important as an antigen-presenter to T cells and B cells in the immune response  
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Malignant   life threatening, pertains to neoplasms that spread and lead to death like cancer  
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Maltose   a disaccharide or double sugar made of two glucose molecules  
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Mast cells   immune cells that function to detect foreign substances in the tissue spaces and initiate local inflammatory responses against them, typically found clustered deep to an epithelium or along blood vessels  
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mechanical disadvantage   condition that occurs when the load is far from the fulcrun and the effort is applied near the fulcrum  
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mechanical energy   energy directly involved in moving matter  
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metals   elements in middle and left parts  
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metamorphosis   egg to larva to pupa and adult  
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milliequivalent per liter   units used to mearue electrolyte concentrations of body fluids  
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mitosis   procss of cell duplication in which two daughter cells revieve exactly the same nuclear material as the original cell  
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molarity   number of moles of solute in 1 liter of solution  
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mole   an amount of substance equal in grams to the sum of the atomic weights  
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molecule   group of atoms linked together by covalent bonds  
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monosaccahride   simple sugar that cannot be broken down by hydrolysis  
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motor neurons   special nerve cells that tranmit impulses to the muscles  
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mucous membranes   membranes that form the lining of body cavitites open to exterior  
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