CH2_micro_studyquestions

CH2_micro_studyquestions - b. has more H-c. has more OH-d....

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CH 2 review questions The smallest unit of matter with unique characteristics is a. an electron b. a molecule c. an atom d. a proton The _____ charge of a proton is exactly balanced by the ________ charge of a (an) _____. a. negative, positive, electron b. positive, neutral, neutron c. positive, negative, electron d. neutral, negative, electron Electrons move around the nucleus of an atom in pathways called a. shells b. orbital c. circles d. rings Bonds in which atoms share electrons are defined as _____ bonds. a. hydrogen b. orbital c. circles d. rings Hydrogen bonds can form between _____ adjacent to each other. a. two hydrogen atoms b. two oxygen atoms c. a hydrogen atom and an oxygen atom d. negative charges An atom that can donate electrons during a reaction is called a. an oxidizing agent b. a reducing agent c. an ionic agent d. an electrolyte In a solution of NaCl and water, NaCl is the ____ and water is the _____.
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a. acid, base b. base, acid c. solute, solvent d. solvent, solute A solution with a pH of 2 _____ than a solution with a pH of 8. a. has less H+
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Unformatted text preview: b. has more H-c. has more OH-d. is less concentrated Fructose is a type of a. disaccharide b. monosaccharide c. polysaccharide d. amino acid Bond formation in polysaccharides and polypeptides such as starch and cellulose is a. hydrogen atoms b. hydroxyl ion c. carbon atom d. water molecule The monomer unit of polysaccharides such as starch and cellulose is a. fructose b. glucose c. ribose d. lactose Proteins are synthesized by linking amino acids with ____ bonds. a. disulfide b. glycosidic c. peptide d. ester DNA is a hereditary molecule that is composed of a. deoxyribose, phosphate, and nitrogen bases b. deoxyribose, a pentose, and nucleic acids c. sugar, proteins, and thymine d. adenine, phosphate, and ribose Proteins can function as a. enzymes b. receptors c. antibodies d. a, b, and c RNA plays an important role in what biological process? a. replication b. protein synthesis c. lipid metabolism d. water transport...
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This note was uploaded on 08/02/2011 for the course MICRO 233 taught by Professor Diaz during the Fall '10 term at City Colleges of Chicago.

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CH2_micro_studyquestions - b. has more H-c. has more OH-d....

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