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