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The term autotroph refers to an organism that - Answers uses CO2 for its carbon source
The term obligate refers to - Answers existing in a very narrow niche
The short, numerous bristle like appendages used by some bacterial cells for adhering to
surfaces are called - Answers fimbriae
The primary function of the cell membrane is - Answers to regulate the transport of molecules
in and out of the cell
The term that refers to the presence of flagella all over the cell surface is - Answers peritrichous
a student unearths a cell that was housed in a 250-million year old salt crystal, it's more than
likely a(n) - Answers endospore
A scientist collecting grass clippings to find the source of an outbreak of tularemia is an
example of working in the field of - Answers epidemiology
Which of the following are present in viruses: endoplasmic reticulum, pigments, mitochondria,
flagella - Answers none of the choices are correct
The time interval from parent cell to two new daughter cells is called the - Answers generation
time
Microbiological contaminants are best described as - Answers unwanted microbes present on
or in a substance
Spirochetes have a twisting and flexing locomotion due to appendages called - Answers
periplasmic flagella (axial filaments)
The __________ level of bacterial organisms refers to a group of organisms that all share the
same traits while the subspecies level refers to the variation or differences of individual cells
within that group. - Answers species
The bacterial flagellum moves - Answers by rotation that is powered by the proton motive force.
Which activity is an example of biotechnology? - Answers Humans use yeast to make beer and
wine
Spontaneous generation is the idea that - Answers living things arise from nonliving matter
The microorganisms that recycle nutrients by breaking down dead matter and wastes are called
- Answers decomposers
Larvae and eggs are developmental forms of - Answers helminths
, The nurse in an emergency department is reviewing discharge instructions with a client. The
client asks for clarification of a zoonosis, in regards to the type of illness. What is the best
response by the nurse? - Answers A zoonosis is a disease typically found in animals, but which
infects humans
Bacterial endospores are not produced by - Answers Staphylococcus
Filamentous fungi are called - Answers molds
Disease-causing microorganisms are called - Answers pathogens
The term phototroph refers to an organism that - Answers gets energy from sunlight
Pasteur used swan-neck flasks in his experiments to prove that - Answers dust in air was a
source of living microorganism
Which group of protozoans are generally nonmotile? - Answers Apicomplexa
Other than maintaining the shape of the cell, what is the primary function of the cell wall, and
which component contributes most to this function? - Answers maintaining strength;
peptidoglycan
HEPA filters are used to remove microbes from - Answers air
A halophile would ______________ in a high salt environment. - Answers thrive
Which term describes human pathogens? - Answers mesophiles
The term heterotroph refers to an organism that - Answers must obtain organic compounds for
its carbon needs
True or False Cyanobacteria are of interest (and are named for) their ability to degrade areas
contaminated with cyanide. - Answers False
Organisms called parasites are - Answers always harmful to their host.
Which of the following are the main decomposers of the Earth? - Answers Bacteria and fungi
Moist heat damages microorganisms by - Answers denaturing and coagulating cellular proteins
Who was the Dutch merchant that made and used quality magnifying lenses to see and record
microorganisms? - Answers Antonie van Leeuwenhoek
Recently Zika virus has been in the news, with many cases in Central and South America and
increasing numbers of cases in the southern United States. Five years ago this virus was
essentially unheard of in these areas. This is an example of - Answers an emerging infectious
disease