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Microbiology Test 1

46 Questions  I  By KAT38059
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.  A sex pilus enables what?
2.  An organisims complete collection of genes is referred to as what?
A.
B.
C.
D.
E.
F.
3.  What are the three parts of a "true nucleus"?
4.  Microbiology is the study of
5.  What are organelles of attachment, that enable bacteria to adhere to surfaces?
A.
B.
C.
D.
6.  The resolving power of the unaided human eye is 0.2 mm
A.
B.
7.  Photographs taken using a transmission electron microscope or a scanning electron microscope are called transmission electron micrographs and scanning electron micrographs.
A.
B.
8.  Which organelle is considered to be a "packaging plant" ?
A.
B.
C.
D.
9.  Which organelle can be considered "power plants" or "energy factories"
A.
B.
C.
D.
10.  The length of time it takes for one bacteria cell to split into two cells is referred to as what?
A.
B.
C.
D.
11.  Nondisease causing microbes are considered to be nonpathogenic.
A.
B.
12.  Another name for acellular microbes are _____ and another name for cellular microbes are ____.
13.  Viruses are not alive so in order to replicate themselves they must invade a live host.
A.
B.
14.  Since viruses are not considered to be living organisims, they are referred to as what?
15.  Two major categories of microbes are called what?
A.
B.
C.
16.  Endospores enable bacteria to do what?
17.  If a eucaryotic cell is motile is does not posses any flagella or cillia.
A.
B.
18.  A simple microscope contains only ___ magnifying lens, whereas as compound microscope contains ___ magnifying lens.
19.  Explain how to calculate the total magnification of the compound light microscope.
20.  Idividual microbes can be observed with the use of what?
21.  What is used to measure the dimensions of objects being viewed with a compund light microscope?
A.
B.
C.
D.
22.  Bacterial cells are commonly surrounded by a glycocalyx. What are the two types of gycocalyx?
23.  What is the site of photosynthesis?
24.  3 Microbes that do not cause disease are known as pathogens.
A.
B.
25.  The resolving power of a transmission electron microscope is what?
A.
B.
C.
D.
E.
26.  A simple microscope contains 4 different magnifying lens.
A.
B.
27.  The size of bacteria are expressed in nanometeres whereas the sizes of viruses are expressed in micrometers.
A.
B.
28.  Relatedness among organisims is determined by analysis of genes that code for small subunit ribosomes DNA.
A.
B.
29.  What enables bacteria to survive asverse conditions such as temperate extremes, dessication, and lack of nutients?
30.  Define and explin genotype and phenotype.
31.  Pathogens cause what 2 major types of diseases?
32.  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.
33.  What do Eucaryote cells possess that Procaryote cell do not?
A.
B.
C.
D.
34.  When using a brightfield microscope a person observes objects _______ backgroud. When using a darkfield microscope a person observes objects _______background.
35.  Explain the function of glycocalyx capsules as it relates to bacterial cells.
36.  How do bacteria reproduce?
A.
B.
C.
37.  All viruses have to have both DNA and RNA present.
A.
B.
38.  A "true nucleus" consists of neucleoplasm, chromosomes, and a nuclear membrane.
A.
B.
39.  ___are the sites of protein synthesis.
40.  ____ enables the transfer of genetic material from one bacterial cell to another.
41.  Pathogens cause 2 major types of diseases: infectious diseases and microbial diseases.
A.
B.
42.  Bacteria never posses any cilia.
A.
B.
43.  Microbes that live on and in the human body are referred to as our ____.
44.  Define opportunistic pathogens.
45.  Name the 3 domains in the 3-Domain system.
A.
B.
C.
D.
E.
46.  Photographs taken using compound light microscopes are called what?
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