Microorganism are involved in all of the following processess
a) infection
b) decomposition of organic material
c) O2 production
d) food production
Each of the following organisms are considered a microbe
a) yeast
b) protozoan
c) bacterium
d) virus
It is not considered a microbe
Mushroom
The term used to describe a disease-causing microorganism is
pathogen
Common commercial benefits of microorganism include synthesis of
antibiotics and insulin
Removal of microbial from the environment typically utilizes
enzymes
The formal system for classifying and naming organisms was developed by
Carolus Linnaeus
In the name Escherichia coli, coli is the
specific name
In the name Staphylococcus aureus, Staphylococcus is the
genus
A prokaryotic cell may possess all the following cellular components
a) flagella
b) ribosomes
d) a cell wall
e) a cell membrane
A prokaryotic cell doesn't posses on cellular components
a nucleus
Which of the following is associate with viruses?
a) nucleic acid
b) envelope
c) spikes
d) capsid
Protozoan motility structure include
cilia, flagella, and pseudopods
Virus are not considered living organisms because they
cannot reproduce by themselves
The infection agent that causes AIDS is a
virus
Which of the following is not a domain system
animalia
Which of the following are domain system
Archaea
Bacteria
Eukaraya
Classification of organisms into three domains is based on
cellular organization
Archaea differ from bacteria in that archaea
has diverse cell wall composition
Who first observed a cell on microscope?
Anton van Leeuwenhoek
Who is credited with first observing cells?
Robert Hooke
Biogenesis refers to the
development of life forms from preexisting life forms
Spontaneous generation refers to the
development from life forms from nonliving matter
Spontaneous generation arguments were disproved by
Louis Pasteur
Louis Pasteur's experiment with the S-neck flask was
a) air exchange was involved
b) a food source was provide
c) the possibility of contamination was removed
d) all preexisting microorganism were killed
The microbial process of converting sugar to alcohol is known as
fermentation
Proof that a microbe could cause disease was provided by
Koch
The use of phenol as a wound disinfectant was first practiced by
Lister
Mycology is the study of
molds, yeast, and mushrooms
The first step for directly linking a microbe to a specific disease according to Koch's postulates is
compare the blood of a sick animal to blood obtained from a healthy animal
Robert Koch identified the cause of
Anthrax
Who is the physician first associated with vaccination
Jenner
Which of the following was essential for Edward Jenner's vaccination process?
Exposure to a milder disease form may produce immunity
Antibiotics are produced by
bacteria and fungi
The first antibiotic to be used was
Penicillin
Who was the first scientist to pursue a "magic bullet" to treat infections disease?
Ehrilich
Fungal infections are studied by
mycologists
Recombination DNA refers to the
DNA resulting when bacterial genes are inserted in an animal genome
Molecular biology is the study of
the structured and function of macromolecules essential to life
Which of the following are example of a beneficial function of microorganism?
a) alternative fuel production
b) bioremediation
c) gene therapy
d) agriculture
The major food producers for other living organisms are
higher plants, cyanobacteria and algae
Recombination DNA technology is used for
a) vaccine production
b) enhancing food longevity
c) drug production
e) increasing the nutritional value of food
Normal microbiota are found in
a) skin
b) mouth
c) colon
e) upper respiratory system
Which of the following about BIOFILMS are true
a) Biofilms in pipes can block the flow of water
b) Biofilms in your body protect mucous membranes from harmful microbes
d) Biofilms on medical devices cause infections
e) Biofilms on rocks provide food for animal life
Developmental for emerging infectious diseases can be a result of
a) microbial mutation
b) modern transportation
c) changes in the environment
d) overuse of antibiotics
Infection disease is almost totally eradicated in our world
FALSE
The process of pasteurization to reduce food spoilage utilizes high heal to kill ALL bacteria present
FALSE
Microbes are associated with life-sustaining benefits as well as life threatening diseases
TRUE
All cell possess a cell wall
FALSE
Some viruses can contain both DNA and RNA
FALSE