Micro Exam 3

52 Questions  I  By Smoore2
Micro Exam 3
Summer Micro Test 3 study quiz for the final.

  
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1.  Among the microorganisms, various genomes can include
A.
B.
C.
D.
E.
2.  Eukaryotic chromosomes differ from prokaryotic chromosomes because only eukaryotes have
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D.
E.
3.  The antiparralel arrangement within DNA molecules refers to
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D.
E.
4.  Which enzyme fills in the spaces between the Okazaki fragments with the correct nucleotide
A.
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D.
E.
5.  The enzymes that can proofread replicating DNA, detect incorrect bases, excise them, and correctly replace them are
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E.
6.  The RNA molecules that carry amino acids to the ribosomes during protein synthesis are called
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7.  This molecule is transcribed from the DNA template strand and later translated
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8.  RNA molecules differ from DNA molecules because only RNA
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9.  If a codon for alanine is GCA, then the anitcodon is
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10.  Which is incorrect about inducible operons
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11.  A mutation that changes a normal codon to a stop codon is called a
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12.  T/F  Conjugation is that act at which two or more eukaryotic cells come together and exchange DNA. All cells must have a unique pilus in order for the cells to bind.
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B.
13.  This test is used to measure a chemicals capacity to cause mutation
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14.  The use of an organism's biochemical processes to crate a product is
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15.  The various techniquest by which scientist manipulate DNA in the lab are called
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16.  A technique that separates a readable pattern of DNA fragment is
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17.  EcoRI and HindIII are
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18.  Sequences to DNA that are identical when read from the 5' to 3' direction on one strand and the 3' to 5' direction on the other strand are
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19.  Analysis of DNA fragments in gel electrophoresis involves
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20.  The Western Blot technique detects
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21.  Ethidium bromide and malachite green do what to DNA
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22.  DNA polymerases used in PCR
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23.  The Southern Blot technique detects
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24.  The polymersase chain reaction (PCR) has been used in all of the following fields except
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25.  T/F  Reverse transcriptase is used to make cDNA from an RNA template
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B.
26.  T/F Vectors often contain a gene conferring drug resistance to their cloning host, in order to detect cells harboring the plasmid
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B.
27.  The rate of migration of macromolecules in gel electrophoresis depends on what characteristics
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28.  T/F  Southern blots may be used to probe for specific gene sequences. Thus this is an alternative tool to use to ensure a host cell picked up the donor plasmid
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29.  T/F  It is important that an ideal vector have a point of replication and have relatively large genomes
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B.
30.  Physical agents for controlling microbial growth include all of the following except
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31.  Which of the following microbial froms have the highest resistance to physical and chemical controls
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32.  The use of a physical or chemical process to destroy vegetative pathogens on fomites is
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33.  The use of chemical agents directly on exposed body surfaces to destroy or inhibit vegatative pathogens is
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34.  Sterilization is achieved by
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35.  Dry heat
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36.  The minimum sterilizing conditions in a steam autoclave are
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37.  Iodophors include
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38.  The sterilizing gas used in a special chamber that typically sterilizes soft plastics is
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39.  All of the following are methods of disinfection or sterilization except
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40.  Subastances that are naturally produced by certain microorganisms that can inhibit or destroy other microorganisms are called
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41.  Antimicrobics effective against a wide variety of microbial types are termed
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42.  Important characteristics of antimicrobic drugs include
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43.  Penicillins and cephalosporins
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44.  Aminoglycosides
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45.  Sulfonamides
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46.  Ampicillin, amoxicillin, mezlocillin, and penicillin G all have
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47.  Gram negative rods are often treated with
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48.  This drug is used to treat cases of tuberculosis
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49.  Antimicrobics that are macrolides
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50.  An antiviral that is a guanine analog would have an antiviral mode of action that
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51.  Antivirals that target reverse transcriptase would be used to treat
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52.  Acyclovir is used to treat
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