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chapt two
chemistry
| Question | Answer |
|---|---|
| what kind of charge is a proton? | positive |
| what kind of charge is a neutron? | neutral |
| what kind of charge is an electron? | negative |
| why do non-ion atoms have a neutral charge? | because number of protons equals number of electrons |
| how do you get the atomis number? | the number of protons |
| how do you get atomic weight? | average mass of protons plus neutrons |
| how do you get the element? | substances made up of one type of atom |
| what is a molecule? | 2 or more atoms bonded together |
| what is the strongest bond? | covalent bond |
| hydrogen bonds are similar to? | ionic bonds |
| wht is an ionic bond? | attraction of charged particles |
| what are two types of chemical reaction? | synthesis and decompositon |
| synthesis needs? | energy |
| decompositon? | releases energy |
| how much water do we contain in our body? | 60-75 percent |
| what is plasma? | water in the blood |
| what is a lymph? | water in lymph system |
| what is carbon dioxide? | a co2 molecule in the form of gas |
| what is cell respiration? | energy productin within cells |
| what is acid? | a substance that increases the concentratin of h+ ions in water |
| wht is base? | a substance that decreases the concentration of ions in water |
| what do organic compounds contain? | covalently and hydrogen atoms |
| what are antigens? | markers on cell membranes |
| what are starches? | glucose storage in animals |
| what is glycogen? | the form of glucose storage in cell walls |
| what are 3 types of fats? | true fats, phospholopids, and steroids |
| what is saturated? | all carbons bonded to the maximum number of hydrogens |
| what is unsaturated? | one or more carbons are double bonded |
| what are hyydrogenated fats? | unsaturated fats that are converted to saturated |
| what is protein made up of? | amino avids |
| what are pectide bonds? | bonds between AA's |
| what are polypectides? | chain of AA's |
| what is denature? | loss of function |
| what substance is made of only one type of atom? | elements |
| what is an example of blood plasma? | a sovent |
| what organic molecule is an important part of cell membrane? | glycogen |
| what molecule is used to synthesize the hormone estrogen and testosterone? | protein |
| what elements is carbohydrates made of? | carbon, hydrogen, and oxygen |
| wht elements provide strength in bones and teeth? | I and CI |
| what is the wast product of cell respiration? | carbon dioxide |
| what is the energy transfet molecule formed in cell respiration? | glucose |
| when can an enzyme become inactive? | when pH of body fluids cecome too acidic |
| what is the direct sourse of energy for cells? | glucose |
| what is the smallest part of an element? | a molecule |
| what is the normal pH range of blood? | 7.40-7.50 |
| what tow compounds are important for energy storage in the body? | glycogen and true fats |
| intracellular fluid is the name for water found in what? | lymph vessels |
| which trace element is most essential for oxygen transport in the blood? | iron |
| what is a substance with only one atom? | element |
| what molucule exists naturally as a gas? | oxygen |
| what molucule exist naturally as a lipuid? | WATER |
| what is a molecule that exists naturally as a solid? | calcium |
| what bond helps maintain their three dimensional shape? | justified |
| most abundant compound in human body? | water |
| what does it mean when substances dissolve in water? | they are solvent |
| what is part of hemoglobin in red blood cells? | iron |
| what is part of the hormone thyroxin? | iodine |
| wht is the range of a pH scale? | 014 to 14 |
| what is made by plants for energy storage? | starch |
| what is made of one glycerol and one, two, or three fatty acids? | true fat |
| what is a 6-carbon monosaccharide or hexose sugar | glucose |
| what is a steroid? | cholesterol |
| what is made of many amino acids? | protein |
| polysaccharide for enery storage in animal cells? | glycogen |
| what is the molecular subunits of proteins? | amino acids |
| what is 5-carbon monosaccharides? | pentose sugar |
| what is disaccharide? | sucrose |
| whats the primary energy for cells? | glucose |
| whats used for energy production? | starch |
| whats an energy storage in subcutaneous tissue? | true fats |
| what is bonded by peptide bonds to form proteins? | amino acids |
| what is a diglyceride that si part of a cell membrane? | phospholipid |
| what is part of DNA and RNA? | pentose sugars |
| what has enzymesw and antibodies? | proteins |
| what includes hemoglobin and insulin? | cellulose |
| what includes sugars starch and glycogen? | carbohydates |
| what value indicates acidity? | PH |
| what decreases the concentration of H+ ions? | base |
| what speeds up the rate of chemical reaction? | catalyst |
| what inorganic chemical are needed by the body? | traceelements |
| what is made by amino acids? | protein |
| what minimizes changes in pH | buffersystem |
| what is energy production within cells? | cellrespiration |
| wht bond holds ions togeter? | ionic bond |
| direct source of energy? | glucose |
| what is the smallest part of an element? | atom |
| what two thimgs are impotant for energy storage? | glycogen and true fats |
| wht type of fluid is the water found in cells? | intracellular |
| what does the chemical symbol Fe stand for? | Iron |
| what does the chemiscal symbol Ca stand for? | calcium |
| what does the chemical symbol O stand for? | oxygen |
| what does the chemical symbol C stand for? | carbon |
| what does the chemical symbol H stand for?` | hydrogen |
| what does the chemical symbol K stand for? | patasium |
| what does the chemical symbol Na stand for? | sodium |
| what does the chemical symbol I stand for? | iodine |
| what does the chemical symbol P stand for? | phasperes |
| what does the chemical symbol Mg stand for? | magnezium |
| what does the chemical symbol N stand for? | nitrogen |
| what does the chemical symbol S stand for? | sulfer |
| what does the chemical symbol CI stand for? | chlorine |
| what does the chemical symbol Cu stand for? | copper |
| what does the chemical symbol Zn stand for? | ziek |
| what doed the chemical symbol Co stand for? | copper |
| whan does the chemical symbol Mn stand for? | mangese |
| what does the chemical symbol F stand for? | florine |
| what does the chemical symbol C stand for? | carbon |
| what does the chemical symbol H stand for? | hydrogen |
| what does the chemical symbol K stand for? | patasium |
| what does the chemical symbol Na stand for? | sodium |
| what does the chemical symbol I stand for? | iodine |
| what does the chemical symbol P stand for? | phosphres |
| waht does the chemical symbol Mg stand for? | magnesium |
| what does the chemicla symbol N stand for? | nitrogen |
| what does the chemical symbol S stand for? | sulfer |
| what does the chemical symbol CI stand for? | clorene |
| what does the chemical symbol Cu stand for? | copper |
| what does the chemical symbol Zn stand for? | ziec |
| what does the chemical symbol Co stand for? | copper |
| what does the chemical symbol Mn stand for? | magnese |
| what does the chemical symbol F stand for? | florine |
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jessfowler08
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