Microbiology Test 1

46 Questions  I  By KAT38059
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Microbiology Quizzes & Trivia
Prep for Micro test 1 Chapters 1 - 6 from Burton's Microbiology for the Health Sciences by: Paul G. Engelkirk Janet Duben-Engelkirk

  
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1.  Pathogens cause what 2 major types of diseases?
2.  What are the three parts of a "true nucleus"?
3.  Another name for acellular microbes are _____ and another name for cellular microbes are ____.
4.  Define opportunistic pathogens.
5.  All viruses have to have both DNA and RNA present.
A.
B.
6.  If a eucaryotic cell is motile is does not posses any flagella or cillia.
A.
B.
7.  ___are the sites of protein synthesis.
8.  Define and explin genotype and phenotype.
9.  What do Eucaryote cells possess that Procaryote cell do not?
A.
B.
C.
D.
10.  A simple microscope contains only ___ magnifying lens, whereas as compound microscope contains ___ magnifying lens.
11.  When using a brightfield microscope a person observes objects _______ backgroud. When using a darkfield microscope a person observes objects _______background.
12.  Relatedness among organisims is determined by analysis of genes that code for small subunit ribosomes DNA.
A.
B.
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13.  Endospores enable bacteria to do what?
14.  Microbiology is the study of
15.  Microbes that live on and in the human body are referred to as our ____.
16.  A sex pilus enables what?
17.  What is the site of photosynthesis?
18.  An organisims complete collection of genes is referred to as what?
A.
B.
C.
D.
E.
F.
19.  Idividual microbes can be observed with the use of what?
20.  The resolving power of a transmission electron microscope is what?
A.
B.
C.
D.
E.
21.  Explain the function of glycocalyx capsules as it relates to bacterial cells.
22.  Nondisease causing microbes are considered to be nonpathogenic.
A.
B.
23.  Two major categories of microbes are called what?
A.
B.
C.
24.  Explain how to calculate the total magnification of the compound light microscope.
25.  A "true nucleus" consists of neucleoplasm, chromosomes, and a nuclear membrane.
A.
B.
26.  Bacterial cells are commonly surrounded by a glycocalyx. What are the two types of gycocalyx?
27.  Scanning electron microscopes have a resolving power of approxiamtely 20 nanometers which is about 100 times stronger than the resolving power of a transmission electron microscope.
A.
B.
28.  Bacteria never posses any cilia.
A.
B.
29.  Which organelle is considered to be a "packaging plant" ?
A.
B.
C.
D.
30.  Pathogens cause 2 major types of diseases: infectious diseases and microbial diseases.
A.
B.
31.  Which organelle can be considered "power plants" or "energy factories"
A.
B.
C.
D.
32.  Since viruses are not considered to be living organisims, they are referred to as what?
33.  3 Microbes that do not cause disease are known as pathogens.
A.
B.
34.  Photographs taken using compound light microscopes are called what?
35.  What are organelles of attachment, that enable bacteria to adhere to surfaces?
A.
B.
C.
D.
36.  Name the 3 domains in the 3-Domain system.
A.
B.
C.
D.
E.
37.  The length of time it takes for one bacteria cell to split into two cells is referred to as what?
A.
B.
C.
D.
38.  What is used to measure the dimensions of objects being viewed with a compund light microscope?
A.
B.
C.
D.
39.  What enables bacteria to survive asverse conditions such as temperate extremes, dessication, and lack of nutients?
40.  A simple microscope contains 4 different magnifying lens.
A.
B.
41.  Photographs taken using a transmission electron microscope or a scanning electron microscope are called transmission electron micrographs and scanning electron micrographs.
A.
B.
42.  ____ enables the transfer of genetic material from one bacterial cell to another.
43.  How do bacteria reproduce?
A.
B.
C.
44.  The resolving power of the unaided human eye is 0.2 mm
A.
B.
45.  The size of bacteria are expressed in nanometeres whereas the sizes of viruses are expressed in micrometers.
A.
B.
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46.  Viruses are not alive so in order to replicate themselves they must invade a live host.
A.
B.
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