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