Term
| When You see this molecule: H-H in a text the - in the figure represents a |
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Definition
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Term
| What determines how a protein functions |
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Definition
-its order of amino acids
-manner in which the chain is bending, spiraling, or pleating
-the folding or winding into a knot of the entire chain
-ALL OF THE ABOVE |
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Term
| A pure substance made up of only one kind of atom is |
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Definition
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Term
| Many names for sugars end in the suffix |
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Definition
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Term
| A triglyceride is formed from glycerol and fatty acids by |
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Definition
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Term
| Chitin is a polysaccharide with____ atoms attached to the gluclose backbone |
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Definition
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Definition
| -based on changelable evidence |
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Term
| A compound that readily or easily realeases H+ or protons is an |
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Definition
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Term
| A compound that readily releases -OH is an |
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Definition
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Term
| Which of the following types of chemical bonds join two molecules of water |
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Definition
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Term
| what element is common in the earth's crust but rare in organisms |
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Definition
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Term
| The bond in table salt is |
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Definition
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Term
| Which of the following will be the most reactive |
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Definition
| an atom with unfilled outer energy |
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Term
| the bonds that hold atoms together do so through the sharing or transfer of |
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Definition
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Term
| bonds which result from a complete transfer of electrons are called |
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Definition
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Term
| atoms react with other atoms in specific, predictable fashions determined directly by their |
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Definition
| number of electrons in the outer most orbit |
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Term
| If a substance measures 7 on the PH scale that substance |
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Definition
| has equal concentration of H and OH- ions |
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Term
| Elements are substances which consist of only one kind of |
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Definition
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Term
| electons are shared in a____ bond |
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Definition
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Term
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Definition
| one or more sugar monomers |
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Term
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Definition
| glycerol, fattyacids and phosphate |
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Term
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Definition
| a long chain of amino acids |
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Term
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Definition
| long chain of nucleotides |
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Term
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Definition
| glycerol plus three fatty acids |
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Term
| H/o/H represents a molecule of |
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Definition
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Term
| plants retrieve or draw glucose from stored____ when sugar is in short supply with in plant cells |
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Definition
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Term
| which of the following will be the least reactive |
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Definition
| an atom with a filled outer energy level |
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Term
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Definition
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Term
| glycine and cysteine are two amino acids at which part of the molecule do they differ |
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Definition
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Term
| which type of molecule below helps keep cellular fluid and blood ph near a value of 7 |
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Definition
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Term
| All___ have a rigid backbone of four fused together carbon rings |
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Definition
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Term
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Definition
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Term
| which of the following is not an organic molecule |
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Definition
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Term
| when two atoms combine with the sharing of a pair of electrons the bond is termed c |
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Definition
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Term
| lactose is a disaccharide of gluclose and galactose and its digestion requires the actions of the enzyme lactase. if the lactose is taken in as part of the diet but not digested by lactase this sugar is then metabolized by bacterine in the intestine leading to symptoms of lactose intolerance. lactose intolerance, therefore results from |
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Definition
| a lack of hydrolysis of lactose |
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Term
| the functional group of an organic acid may be called |
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Definition
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Term
| radioactive isotopes are useful biological tools that are often used in PET scans to |
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Definition
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Term
| the term "macro" as in macromolecule means |
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Definition
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Term
| organic compounds always contain |
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Definition
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Term
| which of the following is not a key characteristic of "life"" |
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Definition
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Term
| a --COOH group is a ___ group |
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Definition
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Term
| which of the following is not used in development of science |
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Definition
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Term
| what kind of reaction produces large molecules by linking small molecules |
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Definition
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Term
| which of these components of a tossed salad will pass through the human digestive tract with the least digestion |
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Definition
| cellulose (in lettuce leaves) |
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Term
| a change in the number of electrons in an atom changes the electrical charge of the atom such charged atoms are called |
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Definition
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Term
| what is the most abundant type of lipid in cell membranes |
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Definition
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Term
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Definition
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Term
| carbon has 6 protons. how many covalent bonds can it form |
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Definition
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Term
| a triglyceride is formed from glycerol and ___ fatty acids |
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Definition
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Term
| ____ are long chain fatty acids attached to long chain alcohols |
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Definition
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Term
| hydrolosis is a ____ reaction |
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Definition
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Term
| the control group in an experiment |
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Definition
| allows a standard of comparison for the experimental group |
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Term
| animals store their excess carbohydrates in the form of |
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Definition
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Term
| a bug can sit or stand on the surface of water due to |
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Definition
-cohesion of water molecules
-surface tension
- hydrogen bonding
---ALL OF THESE |
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Term
| the validity of scientific discoveries cannot be based on |
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Definition
-philosophy
-aesthetics
-morality
-economics
--ANY OF THESE |
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Term
| the smallest organizational unit having a capacity to survive and reproduce on its own is |
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Definition
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Term
| which gas contributes to your intestinal "fortitude" |
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Definition
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Term
| water molecules tend to stick to each other because of |
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Definition
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Term
| glycogen, cellulose and starch are composed entirely of____subunits |
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Definition
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Term
| the nucleus of an atom of an atom usually contains |
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Definition
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Term
| which type of lipid is most important in biological membranes |
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Definition
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Term
| the hereditary material that is present in all cells is |
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Definition
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Term
| in the intro class we stressed attention to word roots what is the english word for these roots; ped, pod, pus |
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Definition
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Term
| in unsaturated fats, fatty acids tails have one or more |
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Definition
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Term
| copernicus, galileo and darwin found that____ caused their science to be controversial |
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Definition
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Term
| during the intro class you were asked to wach the news media for topics related to bio such as |
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Definition
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Term
| what bonds are easily disrupted or broken apart in aqueous water solutions i |
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Definition
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Term
| an example of a steroid is |
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Definition
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Term
| of the four main atoms that make up your body which of the following contributes the most to your mass or weight |
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Definition
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Term
| dehydrations synthesis and hydrolysis are accomplished |
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Definition
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Term
| large biological molecules are synthesized by removing |
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Definition
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Term
| Sucrose is formed from fructose and glucose by |
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Definition
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Term
| atoms joined together by chemical bonds are called |
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Definition
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Term
| when glucose is in short supply, plants will quickly hydrolyze |
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Definition
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Term
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Definition
| liquid at room temperature and unsaturated fats |
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Term
| people who use sterol creams or lotions should not touch children or the opposite sex partner while that lotion is freshly applied because |
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Definition
| these compounds can pass easily through skin |
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Term
| which represents the highest degree of certainty |
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Definition
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Term
| atoms of an element with different numbers of neutrons are called |
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Definition
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Term
| of the following which is the first explanation of a problem in thinking of scientists |
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Definition
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Term
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Definition
| have less hydrogen atoms than do saturated fats |
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Term
| which of the following are lipids |
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Definition
-sterols
-triglycerides
-oils
-waxes
-all of these |
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Term
| you go to the store and buy some lard or margerine for cooking you notice when you get home that the lard or margerine is solid at room temp what does this tell you about the fats in them |
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Definition
| the lard is composed of saturate fats |
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Term
| which of the following includes all the others |
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Definition
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Term
| ions are produced when atoms gain or lose |
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Definition
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Term
| four of the five answers listed below are acidic select the exception |
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Definition
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Term
| When a bond mark like this --- shown between to atoms in a chemical molecule the -- indicates |
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Definition
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Term
| any marcomolecule may be composed of smaller units called |
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Definition
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Term
| four of the five terms listed below are associated with the scientific method. select the exception |
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Definition
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Term
| in elements which of the following may not change or vary in number |
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Definition
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Term
| the largested, most massive (weighs most) organ system of the human is the____ system? |
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Definition
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Term
| the breakdown of large molecules by the enymatic addition of water is what kind of reaction |
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Definition
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Term
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Definition
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