Microbiology Test 1

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