BIO 1107 Exam 1 - 1) At what temperature is water at its...

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1) At what temperature is water at its densest? A) 0°C B) 4°C C) 32°C D) 100°C E) 212°C 2) Ice is lighter and floats in water because it is a crystalline structure in which each water molecule is bonded to a maximum of four other water molecules by which kind of bond? A) ionic B) hydrogen C) covalent D) A and C only E) A, B, and C 3) Which of the following ionizes completely in solution and is considered to be a strong base? A) NaCl B) HCl C) NH 3 D) H 2 CO 3 E) NaOH 4) Which of the following ionizes completely in solution and is considered to be a strong acid? A) NaOH B) HCl C) NH 3 D) H 2 CO 3 E) CH 3 COOH 5) Which of the following is true of geometric isomers? A) They have variations in arrangement around a double bond. B) They have an asymmetric carbon that makes them mirror images. C) They have the same chemical properties. D) They have different molecular formulas. E) Their atoms and bonds are arranged in different sequences. 6) A compound contains hydroxyl groups as its predominant functional group. Which of the following statements is true concerning this compound? A) It lacks an asymmetric carbon, and it is probably a fat or lipid. B) It should dissolve in water. C) It should dissolve in a nonpolar solvent. D) It won't form hydrogen bonds with water. E) It is hydrophobic. 7) Which of the following contains nitrogen in addition to carbon, oxygen, and hydrogen? A) an alcohol such as ethanol B) a monosaccharide such as glucose C) a steroid such as testosterone D) an amino acid such as glycine E) a hydrocarbon such as benzene
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8) Which functional groups can act as acids? A) amine and sulfhydryl B) carbonyl and carboxyl C) carboxyl and phosphate D) hydroxyl and aldehyde E) ketone and amino 9) Which is a hydroxyl functional group? 10)
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This note was uploaded on 04/01/2008 for the course BIO 1107 taught by Professor Devartanian during the Spring '08 term at University of Georgia Athens.

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BIO 1107 Exam 1 - 1) At what temperature is water at its...

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