Microbiology: Unit 2

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Which of the following is not a cause of enzyme denaturization?<br> <input type="radio" name="q1" value="pH">pH<br> <input type="radio" name="q1" value="substrate concentration">substrate concentration<br> <input type="radio" name="q1" value="competitive inhibition">competitive inhibition<br> <input type="radio" name="q1" value="temperature increase">temperature increase<br> <p> 2. Which drug competes with para-aminobenzoic acid in folic acid synthesis?<br> <input type="radio" name="q2" value="Sulfa drugs">Sulfa drugs<br> <input type="radio" name="q2" value="Erythromycin">Erythromycin<br> <input type="radio" name="q2" value="Nystatin">Nystatin<br> <input type="radio" name="q2" value="Dilantin">Dilantin<br> <p> 3. Which of the following drugs does NOT prevent translation in protein synthesis?<br> <input type="radio" name="q3" value="Tetracycline">Tetracycline<br> <input type="radio" name="q3" value="Streptomycin">Streptomycin<br> <input type="radio" name="q3" value="Chloramphenicol">Chloramphenicol<br> <input type="radio" name="q3" value="Amphotericin B">Amphotericin B<br> <p> 4. Anaerobic respiration occurs in all of the following except?<br> <input type="radio" name="q4" value="Clostridium">Clostridium<br> <input type="radio" name="q4" value="Streptococcus">Streptococcus<br> <input type="radio" name="q4" value="Bacillus">Bacillus<br> <input type="radio" name="q4" value="Pseudomonas">Pseudomonas<br> <p> 5. Which of the following does not occur inside the cell membrane?<br> <input type="radio" name="q5" value="Aerobic respiration">Aerobic respiration<br> <input type="radio" name="q5" value="Fermentation">Fermentation<br> <input type="radio" name="q5" value="Anaerobic respiration">Anaerobic respiration<br> <input type="radio" name="q5" value="None of the above">None of the above<br> <p> 6. Which of the following is NOT an end product of glycolysis in an anaerobic organism?<br> <input type="radio" name="q6" value="Pyruvic acid">Pyruvic acid<br> <input type="radio" name="q6" value="ATP">ATP<br> <input type="radio" name="q6" value="NADH">NADH<br> <input type="radio" name="q6" value="Acetyl CoA">Acetyl CoA<br> <p> 7. A 6-carbon glucose makes ___ ATPs by aerobic respiration and ___ ATPs by fermentation.<br> <input type="radio" name="q7" value="38, 2">38, 2<br> <input type="radio" name="q7" value="2, 38">2, 38<br> <input type="radio" name="q7" value="3, 8">3, 8<br> <input type="radio" name="q7" value="8, 3">8, 3<br> <p> 8. Which of the following is a final electron (H) acceptor in anaerobic respiration?<br> <input type="radio" name="q8" value="Inorganic O2">Inorganic O2<br> <input type="radio" name="q8" value="Inorganic nitrate">Inorganic nitrate<br> <input type="radio" name="q8" value="Organic carbonate">Organic carbonate<br> <input type="radio" name="q8" value="Lactic acid">Lactic acid<br> <p> 9. Which of the following is NOT a requirement for culturing bacteria on culture media?<br> <input type="radio" name="q9" value="Knowing the oxygen requirements">Knowing the oxygen requirements<br> <input type="radio" name="q9" value="Knowing the nutrient requirements">Knowing the nutrient requirements<br> <input type="radio" name="q9" value="Knowing the pH requirements">Knowing the pH requirements<br> <input type="radio" name="q9" value="Knowing the UV requirements">Knowing the UV requirements<br> <p> 10. During which phase of the growth curve is cellular reproduction most active?<br> <input type="radio" name="q10" value="Lag Phase">Lag Phase<br> <input type="radio" name="q10" value="Log Phase">Log Phase<br> <input type="radio" name="q10" value="Stationary Phase">Stationary Phase<br> <input type="radio" name="q10" value="Death Phase">Death Phase<br> <p> 11. Which of the following terms refers to the transfer of DNA from one cell to another via bacteriophage?<br> <input type="radio" name="q11" value="Transformation">Transformation<br> <input type="radio" name="q11" value="Transcription">Transcription<br> <input type="radio" name="q11" value="Transduction">Transduction<br> <input type="radio" name="q11" value="Conjugation">Conjugation<br> <p> 12. Which of the following types of organisms cannot use atmospheric oxygen?<br> <input type="radio" name="q12" value="Facultative">Facultative<br> <input type="radio" name="q12" value="Microaerophilic">Microaerophilic<br> <input type="radio" name="q12" value="Obligate aerobic">Obligate aerobic<br> <input type="radio" name="q12" value="Air tolerant">Air tolerant<br> <p> 13. Which of the following methods of transferring genetic material requires cell-to-cell contact?<br> <input type="radio" name="q13" value="Transduction">Transduction<br> <input type="radio" name="q13" value="Conjugation">Conjugation<br> <input type="radio" name="q13" value="Transformation">Transformation<br> <input type="radio" name="q13" value="None of the above">None of the above<br> <p> 14. Which of the following is NOT a termination codon?<br> <input type="radio" name="q14" value="AUG">AUG<br> <input type="radio" name="q14" value="UAA">UAA<br> <input type="radio" name="q14" value="UGA">UGA<br> <input type="radio" name="q14" value="UAG">UAG<br> <p> 15. If a codon in a sequence of DNA has the bases of TCT, what is the tRNA anticodon?<br> <input type="radio" name="q15" value="AGA">AGA<br> <input type="radio" name="q15" value="UCU">UCU<br> <input type="radio" name="q15" value="GTG">GTG<br> <input type="radio" name="q15" value="UGU">UGU<br> <p> 16. Which of the following types of mutation causes base pairs to be added or deleted?<br> <input type="radio" name="q16" value="Frameshift mutation">Frameshift mutation<br> <input type="radio" name="q16" value="Nonsense mutation">Nonsense mutation<br> <input type="radio" name="q16" value="Missense mutation">Missense mutation<br> <input type="radio" name="q16" value="Point mutation">Point mutation<br> <p> 17. Which of the following is NOT a cause of point mutations?<br> <input type="radio" name="q17" value="Caffeine">Caffeine<br> <input type="radio" name="q17" value="Nitrogen base analogs">Nitrogen base analogs<br> <input type="radio" name="q17" value="Deaminating agents">Deaminating agents<br> <input type="radio" name="q17" value="Benzpyrene">Benzpyrene<br> <p> 18. Which of the following is NOT a cause of frameshift mutations?<br> <input type="radio" name="q18" value="Benzpyrene">Benzpyrene<br> <input type="radio" name="q18" value="Alkalating agents">Alkalating agents<br> <input type="radio" name="q18" value="Aflatoxin">Aflatoxin<br> <input type="radio" name="q18" value="Acridine dye">Acridine dye<br> <p> 19. Which of the following organisms does NOT work against the cell wall by preventing the formation of peptidoglycan?<br> <input type="radio" name="q19" value="Cephalosporin">Cephalosporin<br> <input type="radio" name="q19" value="Vancomycin">Vancomycin<br> <input type="radio" name="q19" value="Bacitracin">Bacitracin<br> <input type="radio" name="q19" value="Chloramphenicol">Chloramphenicol<br> <p> 20. Which of the following enzymes cuts out damaged DNA to control mutations?<br> <input type="radio" name="q20" value="Exonuclease">Exonuclease<br> <input type="radio" name="q20" value="DNA polymerase">DNA polymerase<br> <input type="radio" name="q20" value="Endonuclease">Endonuclease<br> <input type="radio" name="q20" value="DNA ligase">DNA ligase<br> <p> 21. When an Hfr cell conjugates with an F- cell, what is the result?<br> <input type="radio" name="q21" value="F+ cell">F+ cell<br> <input type="radio" name="q21" value="F' cell">F' cell<br> <input type="radio" name="q21" value="F- cell">F- cell<br> <input type="radio" name="q21" value="Hfr cell">Hfr cell<br> <p> 22. In what year was the first artificial chromosome created by the Human Genome Project?<br> <input type="radio" name="q22" value="1984">1984<br> <input type="radio" name="q22" value="1990">1990<br> <input type="radio" name="q22" value="1997">1997<br> <input type="radio" name="q22" value="2000">2000<br> <p> 23. Which of the following terms refers to a technique used in directed evolution to make copies of specific DNA molecules?<br> <input type="radio" name="q23" value="Polymerase Chain Reaction">Polymerase Chain Reaction<br> <input type="radio" name="q23" value="Human Genome Amplification">Human Genome Amplification<br> <input type="radio" name="q23" value="DNA Testing">DNA Testing<br> <input type="radio" name="q23" value="Replicative Enzyme Grouping">Replicative Enzyme Grouping<br> <p> 24. Which of the following terms refers to a technique used to fix inherited diseases in the embryo (fertilized egg)?<br> <input type="radio" name="q24" value="Polymerase Chain Reaction">Polymerase Chain Reaction<br> <input type="radio" name="q24" value="Binary Fission">Binary Fission<br> <input type="radio" name="q24" value="Germline Engineering">Germline Engineering<br> <input type="radio" name="q24" value="Cloning">Cloning<br> <p> 25. Which of the following refers to a method of regulating a biological pathway?<br> <input type="radio" name="q25" value="Glycolysis">Glycolysis<br> <input type="radio" name="q25" value="Feedback inhibition">Feedback inhibition<br> <input type="radio" name="q25" value="Enzymatic reduction">Enzymatic reduction<br> <input type="radio" name="q25" value="Endonucleosis">Endonucleosis<br> <p> 26. During which step in protein synthesis is all RNA made?<br> <input type="radio" name="q26" value="Elongation">Elongation<br> <input type="radio" name="q26" value="Transcription">Transcription<br> <input type="radio" name="q26" value="Translation">Translation<br> <input type="radio" name="q26" value="Initiation">Initiation<br> <p> 27. During which step of transduction does a phage become integrated into the host chromosomes?<br> <input type="radio" name="q27" value="Absorption">Absorption<br> <input type="radio" name="q27" value="Penetration">Penetration<br> <input type="radio" name="q27" value="Latency period">Latency period<br> <input type="radio" name="q27" value="Lysogenic cycle">Lysogenic cycle<br> <p> 28. Which step in transduction results in a cell being destroyed?<br> <input type="radio" name="q28" value="Lysogenic cycle">Lysogenic cycle<br> <input type="radio" name="q28" value="Absorption">Absorption<br> <input type="radio" name="q28" value="Lytic cycle">Lytic cycle<br> <input type="radio" name="q28" value="Penetration">Penetration<br> <p> 29. Which of the following is NOT a selective pressure we put into the environment that encourages resistance?<br> <input type="radio" name="q29" value="Antimicrobial cleansers">Antimicrobial cleansers<br> <input type="radio" name="q29" value="Incorrect prescriptions">Incorrect prescriptions<br> <input type="radio" name="q29" value="Drug non-compliance">Drug non-compliance<br> <input type="radio" name="q29" value="Unmedicated animal feed">Unmedicated animal feed<br> <p> 30. Which of the following terms refers to a product that can bind to the same active site as a substrate?<br> <input type="radio" name="q30" value="Feedback inhibitor">Feedback inhibitor<br> <input type="radio" name="q30" value="Competitive inhibitor">Competitive inhibitor<br> <input type="radio" name="q30" value="Biological pathogen">Biological pathogen<br> <input type="radio" name="q30" value="Endonuclease">Endonuclease<br> <p> <input type="button" value="Get score" onClick="getScore(this.form)"> <input type="reset" value="Clear"><p> Score = <input type=text size=15 name="percentage"><br> Correct answers:<br> <textarea name="solutions" wrap="virtual" rows="4" cols="40"></textarea> </form> </body></html>  </div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <A HREF="id78.htm" TARGET="_top" TITLE="Microbiology: Unit 1"><U><IMG SRC="5351d210.gif" border=0 width="29" height="33" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>                    <A HREF="id168.htm" TARGET="_top" TITLE="Microbiology: Unit 3"><U><IMG SRC="5361d210.gif" border=0 width="29" height="33" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <div>     <A HREF="id78.htm" TARGET="_top" TITLE="Microbiology: Unit 1"><U>Previous</U></A>            <A HREF="id168.htm" TARGET="_top" TITLE="Microbiology: Unit 3"><U>Next Test</U></A></div> <bR> <div> <A HREF="#top_1" TITLE="Microbiology: Unit 2"><U>Return to the top</U></A></div> <bR> <bR> <bR> <div> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="526" BORDERCOLORLIGHT="#FFCC80" BORDERCOLORDARK="#FFCC80" FRAME="VOID" RULES="NONE" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" BGCOLOR=#FFCC80 > <tR> <tD VALIGN=TOP BGCOLOR=#FFCC80 HEIGHT= 16 WIDTH="526"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="16" ALIGN="bottom" WIDTH="526" HSPACE="0" VSPACE="0"></tD> </tR> </TABLE></div> <bR> <div> Advertisements:</div> <div> <B> <br> <center><a href="http://wwnurse.com/cgi-local/adcredir.pl" target="_top"> <script> document.write('<img src="http://wwnurse.com/cgi-local/adcnet.pl?kcsun33&'+Math.random()+'" border="0" width="468" height="60"></a><br><a href="http://wwnurse.com/cgi-local/adcclick.pl?kcsun33" target="_top"><img src="http://wwnurse.com/NurseLink/images/network.gif" border="0" width="468" height="20"></a>'); </script> </center>   </b></div> <bR> <div> <B>   <table cellpadding=0 cellspacing=0 border=0 width=468><tr> <td align="center"><IFRAME SRC="http://ibg.hitbox.com/ace?id=44313&hb=WQ501024IHZW48EN5" width=468 height=60 marginwidth=0 marginheight=0 frameborder=0 scrolling=no> <a target="_top" href="http://ics.hitbox.com/csr?id="><img src="http://ibg.hitbox.com/ace?id=44313&hb=WQ501024IHZW48EN5&i=n" border=0 width=468 height=60 alt="Click Here"></a></IFRAME></td></tr> <tr><td><A href="http://counter.hitbox.com/a/joinbar.cgi" target="_top"> <IMG SRC="http://hg1.hitbox.com/HG?hc=wf155&l=y&hb=WQ501024IHZW48EN5&cd=1&n=Micro2" height=15 width=468 ALT="Click Here!" border=0></A></td></tr></table>    </b></div> <bR> </td> </tr><tr> <td valign="top" colspan=2 height=30 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <B> Copyright </b><B>© 2000-2002 Stephanie Thibeault, The Student Nurse Forum</b></div> <div> <A HREF="id24.htm" TARGET="_top" TITLE="About This Site"><U>About This Site</U></A>     <A HREF="id127.htm" TARGET="_top" TITLE="Privacy"><U>Privacy</U></A>     <A HREF="id128.htm" TARGET="_top" TITLE="Disclaimer"><U>Disclaimer</U></A>     <A HREF="id129.htm" TARGET="_top" TITLE="Copyright"><U>Copyright</U></A>     <A HREF="id130.htm" TARGET="_top" TITLE="Terms Conditions"><U>Terms & Conditions</U></A>     <A HREF="id25.htm" TARGET="_top" TITLE="Contact Us"><U>Contact Us</U></A>    <A HREF="id41.htm" TARGET="_top" TITLE="Site Map"><U>Site Map</U></A></div> <bR> </td> </tr></table></body>