Biology 181 - final

Biology 181 - final - Student Name Print last name first...

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Student Name ___________________________ Print last name, first name 1 Final Exam Biology 181R December 10, 2007 Dr. Richard Hallick and Dr. William Grimes Lecture Sections 1, 2H, 3, 4H A. Use a Number 2 pencil . No pens or mechanical pencils. B. Print your last name and UA NetID in the space provided for you on the bubble sheet. C. The bubble sheet is your official answer sheet . You can circle your answers in this examination booklet, but the answers on your bubble sheet will be graded. You must turn in your examination booklet and your bubble sheet.
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Student Name ___________________________ Print last name, first name 2 1) Which of the following compounds would you expect to be MOST soluble in water? a) CH3-CH2-OH b) CH3-CH2-CH2-CH2-OH c) CH3-CH2-CH2-CH2-CH2-CH2-OH d) CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-OH e) CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-OH 2) Peptide bonds form between the ____________ functional group of one amino acid and the ______________ group of another amino acid. a) carboxyl, hydroxyl b) hydroxyl, amino c) carboxyl, R-group d) R-group, amino e) carboxyl, amino 3) What types of proteins have quaternary structure? a) proteins with multiple polypeptide chains b) enzymes c) membrane proteins d) proteins that bind DNA e) both a. and b. 4) What statement concerning the structure of DNA and RNA is not correct? a) The sugar in the RNA backbone has a hydroxyl group (OH) at the 2'- position. DNA does not. b) Nucleotides are composed of a 5-carbon sugar, a nitrogen-containing base, and a phosphate group c) DNA and RNA both contain the same pyrimidine bases, cytosine (C) and uracil (U) d) Nucleotides of nucleic acids are joined by phosphodiester bonds e) Nucleic acids are long polymers of repeating subunits called nucleotides
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Student Name ___________________________ Print last name, first name 3 5) What class of biological molecule has the largest number of polar hydroxyl groups (-OH) and can only be formed by numerous condensation reactions? a) simple sugar b) disaccharide c) polysaccharide d) polar amino acid e) polar lipid 6) Which of the following statements describes a function(s) of the endoplasmic reticulum? a) responsible for synthesizing membrane bound and secreted proteins b) site where newly synthesized membrane bound and secreted proteins achieve a correct tertiary structure c) produces vesicles containing membrane bound and secreted proteins for transport to the Golgi apparatus d) binds ribosomes which are synthesizing membrane bound and secreted proteins e) all of the above 7) If a cell is incapable of using tubulin containing microtubules to cause cell and organelle movements, the defect probably involves: a) myosin b) kinesin c) intermediate filaments d) ATP synthase e) actin 8) Amphipathic molecules are: a) highly charged, and are only capable of forming ionic bonds b) hydrophobic, and interact only with other hydrophobic molecules c) enriched in oxygen and hydrogen making them highly polar d) composed of two regions, both of which must be highly hydrophilic e) both hydrophobic and hydrophilic
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This note was uploaded on 11/15/2009 for the course BIO 181 taught by Professor Jorstad during the Spring '07 term at Arizona.

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Biology 181 - final - Student Name Print last name first...

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