Microbiology Midterm Questions - Jersey College Questions And Answers Elaborations!!

MICROBIOLOGY MIDTERM QUESTIONS - JERSEY COLLEGE
QUESTIONS AND ANSWERS ELABORATIONS!!
(ch.1) One type of microscope that provides a three-dimensional image of a
specimen is a


Answers Scanning Electron Microscope
(ch.1) One type of microscope capable of observing living microorganisms is the:


Answers Phase-Contrast Microscope
(ch.1) Which scientist is most responsible for ending the controversy about
spontaneous generation?


Answers Louis Pasteur
(ch.1) Fossils of prokaryotes go back:


Answers 3.5 to 4.0 Billion years
(ch.1) A(n) ____________ is not a microorganism.


Answers Insect
(ch.1) The order of the taxonomic category is:


Answers Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
(ch.1) Complex communities of microorganisms on surfaces are called:


Answers Biofilms

,(ch.1) A relationship between organisms in which the waste product of one
provides nutrients for another is called:


Answers Commensalism
(ch.1) The following industries uses microorganisms:


Answers Chemical, Wine, Cheese and other food productions, Alcohol,
Pharmaceutical Agents, Agriculture, Water Supply Treatment
(ch.1) All bacteria are:


Answers Prokaryotic cells
(ch.1) Cells that contain a nucleus are:


Answers Eukaryotic Cells
(ch.1) The taxonomic resource for bacteria is the:


Answers Bergen's Manual
(ch.1) The proteins implicated in spongiform encephalopathy are:


Answers Prions
(ch.1) The cleanup of different industrial waste is referred to as:


Answers Bioremediation
(ch.1) The microscope that is most commonly used to observe sectioned and
stained tissues, organs, and microorganisms.

,Answers Bright-Field Microscope
(ch.1) The microscope used for the study of living plant and animal cells,
microorganisms, and thin tissue slices, and are ideal for cytoplasmic streaming
studies.


Answers Phase-Contrast Microscope
(ch.1) The microscope used for unfixed, unstained specimens, such as living
organisms.


Answers Dark-fields Microscope
(ch.1) The microscope used in conjunction with fluorescent stains and dyes.


Answers Fluorescent Microscope
(ch.1) The microscope that uses a beam of electrons rather than light as the source
of energy to visualize specimens.


Answers Electron Microscope
(ch.1) Kock's postulates state:


Answers The microbe must be present in every animal with the disease.
The microbe can be isolated and grown in pure culture.
The cultured microorganism must cause the same disease in an inoculated
(previously healthy) animal.
The same microorganism must then be isolated from the diseased animal.
(ch.1) Unlike __________________ cells, the ________________ cells do not
have a cell wall or a nucleus.

, Answers eukaryotic; prokaryotic
(ch.1) How can foodborne diseases generally be prevented?


Answers Washing hands with hot soapy water.
Keeping raw meat, poultry, seafood, and their juices away from prepared foods.
Cooking foods thoroughly at high enough temperatures.
Refrigerate foods within 2 hours after cooking to slow bacterial growth and
multiplication.
Sufficiently cleaning all surfaces upon which food is being prepared.
(ch.1) Role of microorganisms in food production.


Answers Non-pathogenic occur naturally, are beneficial, and are used as started
cultures.
(ch.2) The atomic number equals the number of:


Answers Protons
(ch.2) A chemical bond in which electrons are equally shared is a:


Answers Non polar Covalent Bond
(ch.2) The bond between water molecules is a:


Answers Hydrogen Bond
(ch.2) The outermost shell of an atom can hold up to ___ electrons.


Answers 8
(ch.2) The bond between sodium and chlorine atoms in sodium chloride is a: