1)Which happens to the substance that is oxidized during an


Question Description:

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1)Which happens to the substance that is oxidized during an oxidation-reduction reaction? a) It gives up hydrogen atoms. b) It takes on oxygen atoms. c) It becomes a charged species. d) It shows a gain of electrons. e) It shows a loss of electrons. 2) Ammonia (NH3) accepts a proton from water. Which of the statements listed below is true according to Bronsted-Lowry definitions? a) Ammonia is a base. b) Ammonia is an acid. c) Ammonia produces H+ ions in aqueous solutions. d) Ammonia acts as a solvent. e) Ammonia is neutral. 3) Which volume of 2.5% (m/v) NaCl can be prepared from 185 mL of a 8.0% NaCl solution? (Points : 4) a) 57.8 mL b) 592 mL c) 6 mL d) 185 mL e) 63 mL 4) The _____ structure of a protein consists of relationships between amino acids that are far apart in a protein. (Points : 4) a) primary b) secondary c) tertiary d) quaternary e) None of the above 5) Which of the following is paired incorrectly? (Points : 4) a) Peroxisome: Catalase b) Mitochondria: Eukaryote c) Cytoskeleton: Tubulin d) Nucleus: Prokaryote e) Ribosome: Protein synthesis

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