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