Micro: Ch 1, Cowan 4e, Connors State College
helminth
Name this microbe
prokaryote
The arrow is pointing to a(n) _________ cell type.
viruses
These structures are representative of different types of __________.
What is nomenclature?
assigning names to animals
The theory of __________ states that living things change gradually over time through natural selection.
evolution
Are viruses living or nonliving?
nonliving
What is a virion?
A virus particle that is NOT INSIDE of a host cell.
Which defines spontaneous generation? Abiogenesis or Genesis
Abiogenesis
__________ are prokaryotic, single-celled organisms that can live in extreme environments.
Archaea
Name the 3 domains of the Woese-Fox system of classification.
Archaea, Bacteria, Eukarya
__________ are prokaryotic, single-celled organisms
Bacteria
__________ & _________ are microorganisms have cells that do NOT contain organelles.
Bacteria & Archaea
__________ is the specific process by which microbes carry out the decomposition of harmful chemicals.
Bioremediation
__________ is a specific area of scientific study which focuses on the analysis of factors affecting the prevalence and spread of diseases within a community.
Epidemiology
What is the genus name, for the organism Escherichia coli?
Escherichia
__________ are eukaryotic, single-celled or multicellular organisms
Eukarya
What are the 3 domains of the Woes-Fox system of classification? E__________, A__________, & B__________
Eukarya, Archaea, & Bacteria
Which cell type is larger, Bacteria or Eukaryotic?
Eukaryotic
T or F: A sterile environment is free of actively growing cells an microorganisms, but may contain viruses or dormant life forms such as endospores.
False
Name 4 diseases once thought to be noninfectious, but now are associated with microbes.
Gastric ulcers, cancer, diabetes, & multiple sclerosis
The __________ __________ of disease states that microorganisms could cause infection and disease.
Germ Theory
__________ & __________ recognized that humans could transfer infection to each other, leading Joseph Lister to develop his aseptic techniques.
Holmes & Semmelweis
Whittaker All bacteria would be placed into the same __________, called Monera.
Kingdom
Put the levels in heirarachyof classification Class - Species - Family - Kingdom = Genus
Kingdom Class Family Genus Species
__________ developed techniques for handling beer, wine, & milk and also completed studies on infectious disease agents.
Louise Pasteur
__________ kingdom was reclassified into two separate domains under the Woese-Fox system?
Monera
prokaryotic
Name this type of cell.
N__________ is the term applied to the method of assigning a scientific or specific name to an organism. Whereas taxonomy involves the organization of these named organisms.
Nomenclature
Put in order: An experiment is conducted to test the hypothesis. The scientist develops an explanation known as a hypothesis. A phenomenon is observed in the natural world. Analysis leads to either rejection or support hypothesis.
Phenomenon occurs A hypothesis is developed An experiment is conducted. Reject of support hypothesis
Name the 6 major groups of microorganisms: P__________, V__________, A__________, F__________, B__________, & H__________.
Protists -Viruses Algae - Fungi Bacteria - Helminths
Small pieces of __________ are now known to be responsible for precise regulation of cells, and these may be a target for future antimicrobial therapy.
RNA
Eukaryotic
The arrow is pointing to which type of cell??
fungi
The microbe depicted in this image is an example of a(n) __________.
virus
The object depicted in this image is an example of a microbe called a __________.
bacilli
The small rod-shaped cells depicted in this image are examples of microorganisms called __________.
What is meant by microorganisms are "ubiquitous".
They are everywhere
T or F All bacteria are microorganisms, but not all eukaryotes are microorganisms.
True
__________ & __________ provided evidence about microbial heat-resistance and the presence of endospores.
Tyndall & Cohen
Microbes __________ & __________ have a true nucleus.
Yeast & Protist
What is a helminth?
a parasitic worm
Are viruses cellular or acellular?
acellular
Contributions of Robert Koch: Confirmed the bacterial cause of __________ Established postulates to verify the ___________ theory of disease Developed numerous _______________ techniques
anthrax - germ - lab
__________ __________ __________ developed a large collection of single-lens microscopes that he used to view microbes.
antonie va Leeuwenhoek
__________ are prokaryotic single-celled organisms of primitive origin that are capable of living in extreme or very harsh environments.
archaea
The spherical microbes depicted in this image are examples of __________.
bacteria
The __________ system of nomenclature organisms are assigned and identified by a two-word name representing the genus and species names.
binomial
---------- ---------- colonize body tissues and establish infection .
biofilm formation
Designing organisms in the industrial setting that can provide human products through genetic engineering or clean up environmental waste through bioremediation is part of microbiology referred to as __________.
biotechnology
_________ is the area of taxonomy that involves grouping similar organisms into a hierarchy of taxonomic categories. (c)
classification
Taxonomy involves __________ & __________ living things.
classifying & naming
__________ is the process of the breakdown of dead matter and wastes into simple compounds that can be directed back into the natural cycle of living things.
decomposers
Using the general to specific is __________ reasoning, whereas using the specific to arrive at a general principal is __________ reasoning.
deductive - inductive
_________ reasoning is used to make everyday decisions.
deductive.
Lister first promoted the use of __________ agents prior to surgery.
disinfecting
__________ diseases are those which are newly identified and becoming more prominent.
emerging
Recombinant DNA technology involves the transfer of __________ from one organism to another.
genetic material
Staph aureus and Staph epid are bacteria that share the same __________.
genus
An organism carrying an infection is referred to as the __________ for the parasite.
host
A _________ is a tentative explanation of an observation.
hypothesis
__________ is the study of the system of body defenses, which protect it against infection.
immunilogy
A microorganism causes an __________ disease.
infectious
The highest rate of death in low income countries is due to __________ disease, and the highest rate of death in affluent countries like the US is due to __________ disease.
infectious , chronic
Organisms that are only visible with the aid of a microscope are referred to as __________.
microorganisms
Bacteria, fungi, helminths, viruses, archaea have to be studied using a __________.
microscope
The development of the _________ established the science of microbiology by providing a means by which microorganism could be viewed.
microscope
All prokaryotes lack a __________.
nucleus
A(n) __________ is any small, membrane-bound component found inside of an eukaryotic cell.
organelle
The evolution of __________ photosynthesis in microorganism generated an oxygenated atmosphere over time.
oxygenic
A microbial pathogen is considered a(n) __________ because it derives benefits from its host and harms it host in the process.
parasite
In general, disease-causing organisms are referred to as __________.
pathogens
__________ is the biochemical process that uses the sun's energy to produce high-energy glucose from low-energy carbon dioxide and water.
photosynthesis
The __________ __________ reaction allows us to amplify tiny amounts of DNA, creating a powerful tool for diagnosis, forensics, and microbial investigation.
polymerase chain
The deliberate manipulation of organisms by transferring genetic material from one organism to another is known as __________ __________ technology
recombinant DNA
Tuberculosis is an older disease but its prevalence has been increasing in recent years, therefore, the disease is sometimes referred as a(n) __________ diseases.
reemerging
The discovery of "molecular scissors" called __________ __________ has led to great advances in the field of genetic engineering by allowing microbiologists to isolate specific pieces of DNA for transfer into other cells.
restrictive enzymes
Are viruses smaller or larger than most bacteria?
smaller
Staph aureus represent _________ level of classification, most specific grouping of organisms.
species
A scientific __________ is a viable explanation for a natural phenomenon that has stood the test of time and extensive experimentation.
theory
The recognition of their subtle role in other diseases. An increased number of drug-resistant pathogens. An increasing number of immunocompromised patients are current >>>>>>>>>>
urrent trends in infectious disease
A __________ is a virus particle that is NOT inside of a host cell.
virion
A(n) __________ is a microscopic agent, which is not cellular and is composed of nucleic acid surrounded by a protein coat.
virus
What uses an infected host cell's genetic and metabolic machinery for reproduction and assembly.
virus
Microbes that exist within and beneath the earth's crust have a significant influence on W__________, S__________ F__________, & M__________ E_________.
weathering, soil formation, mineral extraction