問題一覧
1
An electron microscope is used to observe non living viruses and microorganism
true
2
what term describes the describes the decomposition of industrial waste using microbes
bioremediation
3
prokaryotes have a true nucleus and eukaryotes lack a true nucleus
false
4
which statement is correct regarding infectious diseases and microbial intoxication’s?
all infectious diseases and microbial intoxications are caused by microbes
5
what is the term used to describe microbes with complex nutritional requirements
fastidious organisms
6
this physician developed a step by step method to prove the germ theory of disease
Robert Koch
7
what is the unit of measure usually used to describe the size of viruses
nanometer
8
what are the microorganisms called that live on or within a person
indigenous microbiota
9
obligate intracellular pathogens include viruses, rickettsias and chlamydias
true
10
Microbes that change light energy into chemical energy and produce oxygen participate in this process
photosynthesis
11
What microorganisms live on dead and decaying organic matter?
saprophytes
12
What is the study of fungi called?
mycology
13
What are the microbes called that colonize our bodies and have the potential to cause infections if the right conditions occur?
opportunistic pathogens
14
What is the unit of measure usually used to describe bacterial size?
micrometer
15
A specific microbe is the cause of a specific infectious disease
germ theory
16
A scientific procedure to identify microbes and the diseases they cause
Koch’s postulate
17
Life can only arise from preexisting life
theory of biogenesis
18
Life can arise spontaneously from non-living material
theory of abiogenesis
19
Prions and viruses
acellular infectious agents
20
Prokaryotes and Eukaryotes
cellular microorganisms
21
Who is termed the Father of Microbiology?
Anton vee Leeuwenhoek
22
How many micrometers are in a meter?
1,000,000
23
What is a disease called that is caused by two or more different microbes?
synergistic infection
24
Non-pathogens greatly outnumber pathogens
true
25
What is the resolving power of the unaided eye?
0.2mm
26
Dutchman who built single lens microscopes as a hobby
Anton vee leeuwenhoek
27
Scientist who proposed the theory of biogenesis
rudolf virchow
28
Optician who is credited for developing the first compound microscope
Hans jensen
29
Scientist who discovered the bacterium that causes plague
Alexander Emile Jean Yersin
30
scientist who developed vaccines for anthrax, chicken cholera, and rabies
Louis Pasteur
31
scientist who invented a glass dish in which to culture bacteria
RJ petri
32
scientist who developed methods of fixing, staining, and photographing bacteria
Robert koch
33
pasteurization is a process that kills all microorganisms in liquids
false
34
microorganisms contribute more oxygen to the atomosphere than plants do
true
35
microbes aid in food digestion and vitamin production
true
36
which of the following statements is false
microbes are not essential for life on this planet
37
what is the study of algae called?
phycology
38
what benefit did Koch’s postulates offer microbiology
helped prove germ theory
39
what is the process called where microbes are used to produce or modify foods and beverages, chemicals, antibiotics?
biotechnology
40
there are more cells on the human body than microbes
false
41
what substance is unique to the cell wall of fungi
chitin
42
what is the time it takes for binary fission to occur
generation time
43
this type of bacteria needs 20-21% O2 for growth and survival
obligate aerobes
44
which structure is considered the “power house” of eukaryotic cells
mitochondria
45
bacteria contain cilia and not flagella
false
46
what is the semipermeable structure controlling the transport of material between the cell and its environment
cell membrane
47
antibiotics are effective for treating viral infections
false
48
what is the study of the structure and function of the cell called
cytology
49
which one of the following steps occurs during the multiplication of animal viruses but not during the multiple bacteriophages
uncoating
50
what structure is considered the “command center” of the cell?
nucleus
51
prion cause plant disease whereas viroids cause animal and human disease
false
52
what is the virus that initiates the lyric cycle and ultimately destroys the cell
virulent bacteriophage
53
rickettsias and chlamydias must live within a host cell and cannot grow on artificial culture media
true
54
chains of cocci
streptococci
55
rods in pairs
diplobacilli
56
side hy side rods
diptheroids
57
curved or spiral shaped
spirilla
58
clusters of cocci
staphylococci
59
what terms describes the motile, feeding, dividing stage of a protozoan life cycle?
trophozite
60
which of the following is true regarding taxonomy
binomial system of nomenclature consists of a two name identification
61
what substances is unique to the cell walls of algae
cellulose
62
capnophiles prefer 5-10% carbon dioxide
true
63
Protozoa exhibit all of the following characteristics except
they have cell walls
64
many antibiotics such as penicillins and cephalosporins are made from which category of fungi
moulds
65
Pili are organelles of motility
false
66
which microorganisms are all considered eukaryotic cells
algae, Protozoa, fungi
67
what is the term for the science of classification of living organisms
taxonomy
68
which statement about viruses is false
viruses are the smallest living cells
69
which of the following statements about spores is false
spores are important structures for bacterial repoduction
70
bacteria appear red after gram staining
gram negative
71
bacteria appear purple after gram staining
gram positive
72
determines the bacterial shape and morphology
simple stain
73
used to visualize capsules, spires, and flagella
structural staining
74
determines the presences, number, location, and motility of microbes
flagella stain
75
what is the term for fungi that can live either as a yeast or a mould
dimorphic
76
what yeast is most frequently isolated from clinical specimens
candida albicans
77
mycoses are infectious diseases of humans and animals that are caused by moulds
true
78
what eukaryotic microbes is considered natures “garbage disposal”
fungi
79
all viruses cause cancer
false
80
how are Protozoa classified
method of locomotion
81
what are bacteria that have flagella over their entire surface called
peritrichous
82
which of the following statements is false with regard to photosynthesis
photosynthesis involves engulfing foreign material
83
which microorganisms are referred to as extremophiles
archaea
84
what is superficial mycoses
fungal infection of the outermost areas of human body (hair, skin, nails)
85
gram positive and gram negative bacteria may be differentiated with staining due to different thickness of what substance in the cell walls
peptidoglycan
86
fastidious organisms have demanding nutritional requirements
true
87
this virus is transmitted by mosquitoes and can cause birth defects
zika
88
what structure differentiates smooth & rough endoplasmic reticulum
ribosomes
89
what is the packaging plant of mature proteins in eukary cells
Golgi complex
90
latent viruses may become active when the body’s defense system becomes weakened
true
91
organic chemistry is the study of compounds containing which element
carbon
92
Chemical agent that destroys most pathogens (except spores) on inanimate objects
disinfectant
93
Destruction of cells by x-rays, gamma rays, UV rays
radiation
94
Chemical agent used to clean the skin and other living tissues
antiseptic
95
Steam under pressure for a specific time period
autoclave
96
Sound waves that mechanically dislodges organic debris
ultrasonic waves
97
Destruction of all microbes
sterilization
98
what is the end product of glycolysis
pyruvic acid
99
what is their term that describes an alteration in DNA of a gene?
mutation
100
H2O is an example of a
molecule and compound