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