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Study Resources (Chemistry)

18.4   True/False Questions 1) Sucrose is a disaccharide. 2) Sucrose is made up of glucose units only. 3) Amylopectin is a straight-chain polysaccharide. 4) Hydrogenation of a double bond in a triacylglycerol requires a catalyst. 5) Most plant lipids are saturated lipids. 6) A nucleotide consists of only a base and a sugar. 7) Messenger RNA carries.
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16.1   Multiple Choice Questions 1) All of the isotopes of elements with atomic numbers of 84 and higher are radioactive because A) strong repulsions between their electrons make them unstable. B) strong repulsions between the protons make their nuclei unstable. C) strong repulsions between their nuclei make them unstable. D) their mass number is.
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21) Which of the following is a lipid? A) cholesterol B) nicotine C) aniline D) lactose E) collagen 22) Compared to an uncatalyzed reaction, an enzyme-catalyzed reaction A) uses less substrate. B) produces different products. C) occurs at a faster rate. D) requires more energy. E) requires a higher temperature. 23) The formation of an enzyme-substrate complex is the ________ step in.
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16.3   Matching Questions Indicate whether each of the following is characteristic of the fission or fusion process. A) fission B) fusion C) both fission and fusion 1) A large nucleus is split into smaller nuclei. 2) Very high temperatures must be achieved to initiate the reaction. 3) This nuclear process provides the energy of the sun. 4) This.
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17.4   True/False Questions 1) Organic chemistry is the study of the chemistry of carbon compounds. 2) When naming an alkane, the main chain is the longest continuous carbon chain regardless of bends. 3) Polymers are large molecules consisting of repeating units. 4) The suffix -one indicates an aldehyde in the IUPAC system of naming. 5).
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18.2   Bimodal Questions 1) Cholesterol belongs to the ________ group of lipids. A) saccharides B) steroid C) prostaglandin D) triacylglycerol E) wax 2) In a simple model of atherosclerosis and heart disease, the compound that forms plaques that adhere to the walls of the blood vessels is ________. A) cholesterol B) protein C) stearic acid D) glycerol E) glucose 3) The name of.
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15.5   Short Answer Questions 1) Is the combustion of carbon an example of an oxidation or a reduction reaction? 2) An oxidation-reduction reaction that takes place spontaneously when the two half-reactions are connected by a wire is called a(n) ________. 3) When an electrochemical cell spontaneously generates an electric current, the cell is.
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18.3   Matching Questions Select the correct carbohydrate for each description. A) cellulose B) glycogen C) sucrose D) lactose E) fructose F) galactose G) amylose 1) a carbohydrate that cannot be digested by humans 2) a carbohydrate that stores energy in the human body 3) a carbohydrate that is used to build cell walls in plants 4) a monosaccharide that combines with glucose.
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31) What is the conversion factor for the relationship between millimeters and centimeters? A) 1 mm/1 cm B) 10 mm/1 cm C) 1 cm/1 mm D) 100 mm/1 cm E) 10 cm/1 mm 32) Which of the following is the smallest unit? A) gram B) milligram C) kilogram D) decigram E) microgram 33) The cubic centimeter (cm3 or cc) has.
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17.2   Bimodal Questions 1) The compound below is named ________. A) hexane B) hexene C) hexyne D) benzene E) toluene 2) The name of the compound shown below is ________. A) 1-ethyl-2-methylbenzene B) 1-ethyl-4-methylbenzene C) 2-ethyltoluene D) 3-ethyltoluene E) 4-ethyltoluene 3) What classification of alcohol is resistant to oxidation? A) primary B) secondary C) tertiary D) quaternary E) none 4)  What is the product when the following compound.
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15.3   Matching Questions Match the oxidation number with the correct species. 1) calcium ionA) +5 2) I2B) 0 3) chromium(III)C) +3 4) nitrogen in NH3D) +1 5) chlorine in Cl2OE) +4 6) hydrogen in H2OF) +2 7) sodium in sodium chlorideG) -1 8) chlorine in carbon tetrachloride, CCl4H) I) -3 1- 9) carbon in carbon dioxide 10) phosphorus in phosphate ion, PO43- 11) iron in.
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Identify the product, if any, that would form in each of the following reactions. A) O || CH3?CH2?CH B) O || CH3?CH2?C?CH3 13) CH3?CH2? CH2?OH 14) CH3?CH2?CH?OH | CH3 Identify the family for each of the following compounds. A) carboxylic acid B) ether C) ester D) ketone E) amide F) aldehyde G) amine 15) CH3?CH2?O?CH3 16) O || CH3?CH2?CH 17)O || CH3?C?CH3 18) O || CH3?CH2?C ?OH 19) O || CH3?CH2?C?O? CH3 20) CH3?CH2?NH? CH3 21) O || CH3?CH2?C?NH? CH3 .
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1.1   Multiple Choice Questions 1) Water, H2O, is an example of a(n) ________. A) chemical B) solid C) wave D) electric charge E) element 2) In this list, which substance can be classified as a chemical? A) salt B) sleep C) cold D) heat E) temperature 3) One example of a chemical used in toothpaste is ________. A) chlorine B) sulfur C) carbon dioxide D).
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16.5   Short Answer Questions 1) One symbol for the β particle is . Another symbol for the same particle is ________. 2) A sample of phosphorus-32 with an activity of 2.0 mCi produces ________ disintegrations per second. (1 Ci = 3.7 ? 1010 disintegrations/sec.) 3) The common unit of radioactivity which is used.
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51) In the activity series, silver is below hydrogen, and magnesium is above hydrogen. This means that ________. A) silver can give electrons to hydrogen B) magnesium can give electrons to silver C) hydrogen can give electrons to magnesium D) hydrogen ions can give electrons to silver E) silver ions can give electrons to magnesium 52).
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17.3   Matching Questions Match the following organic structures with the appropriate family name. A) alkane B) ketone C) ester D) alkene E) ether F) aromatic compound G) amine H) carboxylic acid I) amide J) aldehyde K) alkyne L) alcohol 1) CH3?CH2?CH?CH2 2) O || CH3?C? CH3 3) CH3?OH 4)O || CH3?CH2?C?OH 5) CH3?CH2?O? CH2?CH3 6) O || CH3?C?O? CH2?CH3 7) O || CH3?CH2? CH 8)HC?C? CH3 9) CH3?CH2? NH2 10) O || CH3?CH2? C?NH2 11) 12) CH3?CH2? CH2? CH3 .
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31) A ________ consists of a nitrogen-containing base and a sugar. A) nucleoside B) base pair C) nucleotide D) complementary base E) pyrimidine 32) A ________ consists of a nitrogen-containing base, a sugar, and a phosphate group. A) nucleoside B) base pair C) nucleotide D) complementary base E) purine 33) The bonds that link the base pairs in the DNA double helix.
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15.2   Bimodal Questions 1) In this reaction, what is the substance oxidized? Zn + 2 HCl → ZnCl2 + H2 A) chlorine B) zinc chloride C) hydrogen D) zinc E) oxygen 2) In the following reaction, oxidation occurs on which type of atom? 3Mg + N2 → Mg3 N2 A) magnesium B) nitrogen C) oxygen 3) In the following reaction, what substance is.
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18.1   Multiple Choice Questions 1) A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a ________. A) monosaccharide B) disaccharide C) polysaccharide D) starch E) trisaccharide 2) Which group of carbohydrates cannot be hydrolyzed to give smaller molecules? A) monosaccharides B) disaccharides C) trisaccharides D) oligosaccharides E) polysaccharides 3) A monosaccharide that consists of 5 carbon atoms,.
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Identify the structural level in each protein. A) primary structure B) secondary structure C) quaternary D) tertiary 15) The protein folds into a compact structure stabilized by interactions between R groups. 16) the combination of two or more protein molecules to form an active protein 17) pleated sheet 18) the peptide bonds between the amino acids 19) the structural.
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1.2   True/False Questions 1) The reddish-brown color of smog is due to NO2. 2) Chlorofluorocarbons are broken down in the upper atmosphere to produce oxygen, O2. 3) Titanium dioxide in toothpaste is used as a mild abrasive. 4) Alchemists believed there were four components of nature: earth, fire, air, and water. 5).
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15.4   True/False Questions 1) A substance is oxidized when it loses electrons. 2) A substance is reduced if it gains electrons. 3) When manganese metal forms manganese ion, Mn2+, it is reduced. 4) When copper ion is used to form copper metal, the copper ion is reduced. 5) When oxygen is in its elemental form,.
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11) Which of the following is a chemical? A) sugar B) heat C) light D) noise E) a wave 12) The first step in the scientific method is ________. A) using technology B) making observations C) forming a hypothesis D) doing experiments E) proposing a theory 13) DDT is a type of ________. A) herbicide B) poison gas C) plant D) insecticide E) metal 14).
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11) The process in which a nucleus spontaneously breaks down by emitting radiation is known as ________. A) transmutation B) transformation C) fusion D) a chain reaction E) radioactive decay 12) A nuclear equation is balanced when A) the same elements are found on both sides of the equation. B) the sum of the mass numbers and the.
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17.1   Multiple Choice Questions 1) Compounds that have the same molecular formula but different arrangements of atoms are called ________. A) isomers B) isotopes C) indicators D) isozymes E) isometrics 2) What is the name of the alkyl group CH3-CH2-CH2-? A) propane B) methyl C) ethane D) ethyl E) propyl 3) What is the IUPAC name of this alkane? A) 4-ethyl-2,2-dimethylpentane B) 2-ethyl-4,4-dimethylpentane C).
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41) Which one of the following base pairs is found in DNA? A) adenine-thymine B) adenine-guanine C) cytosine-thymine D) adenine-uracil E) guanine-uracil 42) Which one of these base pairs is found in RNA? A) guanine-cytosine B) adenine-cytosine C) adenine-thymine D) adenine-guanine E) guanine-thymine 43) In the synthesis of mRNA, an adenine in the DNA pairs with ________. A) uracil B) adenine C) guanine D).
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16.4   True/False Questions 1) Exposure to radiation is unavoidable because some radioactive elements occur naturally. 2) One symptom of radiation sickness is an increased production of red blood cells. 3) If the half-life of hydrogen-3 is 11.8 years, after two half-lives the radioactivity of a sample will be reduced to one-half of the.
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11) Galactose has the structure shown below. It can be classified as a(n) ________. A) ribose B) ketose C) disaccharide D) monosaccharide E) ketone 12) When starch is broken into monosaccharides, the carbohydrate formed is ________. A) glucose B) xylose C) maltose D) galactose E) fructose 13) The cyclic structure of ribose is shown below. It can be classified as a(n) ________. A).
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