- Study guides, Class notes & Summaries

Bacteria, archaea & eukaryotes arose __ years ago... : 2.9 Billion Which one is not a cause of infectious death worldwide... : Ebola __ is the most infectious microbe caused through non-human transmission, while __ is the most infectious microbe caused by human-to-human transmission... : malaria, measles What is the only eradicated disease in the world... : small pox Which choice below lists emerging diseases... : HIV, SARS, Lassa Fever Species that are in the same __ are more closel...

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8 pages

Written in 2023/2024

Grade A+

Axpert

Which of the following best describes the innate nonspecific immune system? a. a targeted and highly specific response to a single pathogen or molecule b. a generalized and nonspecific set of defenses against a class or group of pathogens c. a set of barrier mechanisms that adapts to specific pathogens after repeated exposure d. the production of antibody molecules against pathogens : b. a generalized and nonspecific set of defenses against a class or group of pathogens Which of the follow...

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10 pages

Written in 2023/2024

Grade A+

Axpert

Microbiology Exam 3 Dr. Parks UTA. Newest . Questions and Correct Answers. Graded A

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39 pages

Written in 2025/2026

Grade A

wilfredmburuUS

Micro Exam 4 (CH. 15,16 &17). Newest . Questions and Correct Answers. Graded A

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24 pages

Written in 2025/2026

Grade A

wilfredmburuUS

Micro 2460 Exam 4 UTA. Newest . Questions and Correct Answers. Graded A

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9 pages

Written in 2025/2026

Grade A

wilfredmburuUS

Microbiology UTA 2460 Questions and Correct Answers | Latest Update

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6 items

Axpert

Microbiology 2460 Exam Correctly Answered Questions| UpToDate | Already Graded A

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4 items

Axpert

UTA Microbiology Correctly Answered Questions| UpToDate | Already Graded A+

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27 items

Axpert

UTA Microbiology Tholen Correctly Answered Pack| UpToDate

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20 items

Axpert

Prokaryotes : Bacteria and Archaea ubiquitous : present, appearing, or found everywhere Places prokaryotes are found: : hot springs, ice caps, deep ocean, skin and mucosal surfaces TRUE OR FALSE: Prokaryotes are adaptable and resilient : TRUE -they have the ability to switch metabolic or respiration methods list 3 things prokaryotes provide for our habitats : -stability of ecosystems -carbon/nitrogen fixation -environmental cleanup 2 | P a g e Some prokaryotes are bad for us, these...

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19 pages

Written in 2023/2024

Grade A+

Axpert

What are Coliform bacteria? : Gram negative non spore forming bacteria that are capable of fermenting lactose to produce acid and gas. What fecal coliform bacteria is used as an indicator species? : E. coli. (If E. coli is present than this suggest that serious pathogens such as Salmonella and Campylobacter species are also present as well.) Does every food from the FDA get tested? : No, unless an outbreak occurs What are the most common bacteria present in milk? : Lactobacillus, Mi...

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13 pages

Written in 2023/2024

Grade A+

Axpert

Disease : condition where normal structure and/or function are damaged or impaired Infection : invasion of pathogen or parasite that lead to disease evidence for infection come from: : signs and symptoms signs : things that can be directly measured by clinician symptoms : things felt by the patient that cannot be clinically measured Syndrome : groups of signs & symptoms that help direct towards diagnosis/indicate a particular disease 2 | P a g e Some patients are asymptomatic/subc...

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17 pages

Written in 2023/2024

Grade A+

Axpert

Ocular/eyepiece : 2 eyepieces 10x magnification move in or out to adjust positioned correct=single circle of light Body : Holds mirrors that bend light into oculars images reversed and inverted Nose piece : Where objectives are attached Objectives : Contain magnifying lenses 4x, 10x, 40x, 100x Arm 2 | P a g e : Supports nose piece Holds power switch Holds focus adjustment knobs Stage : Flat platform that holds mechanical stage Mechanical Stage : holds slide moves slide to p...

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10 pages

Written in 2023/2024

Grade A+

Axpert

The term prokaryotes refers to which of the following? A. very small organisms B. unicellular organisms that have no nucleus C. multicellular organisms D. cells that resemble animal cells more than plant cells. : B The term microbiota refers to which of the following? a. all microorganisms of the same species b. all of the microorganisms involved in a symbiotic relationship c. all microorganisms in a certain region of the human body d. all microorganisms in a certain geographic reg...

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29 pages

Written in 2023/2024

Grade A+

Axpert

spontaneous generation : ancient belief: life can arise from nonliving matter Key scientists of spontaneous generation : Francesco Redi, John Needham, Lazzaro Spallanzani Francesco Redi : This scientist disproved spontaneous generation by showing that maggots do not spontaneously arise from decaying meat. John Needham : Believed there was a life force that caused spontaneous generation Lazzaro Spallanzani : replicated redi and needham's experiments, disproved of spontaneous generation...

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17 pages

Written in 2023/2024

Grade A+

Axpert

Prokaryotes (Bacteria and Archaea) are : everywhere. Prokaryotes are : VERY adaptable & resilient Prokaryotes have the ability to : switch metabolic or respiration methods Mutualism : both populations benefit; ex: gut nutrition metabolism Amensalism : one population is harmed and the other is unaffected; ex: antimicrobial defense on skin Commensalism 2 | P a g e : one population is benefitted and the other is unaffected; ex: Skin cells as food source Neutralism : both populatio...

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12 pages

Written in 2023/2024

Grade A+

Axpert

Eukaryotic Microbes : Extremely diverse; Different life cycles & reproduction modes; Many morphologically specialized structures; Specialized nutritional needs Eukaryotic groups : protozoa, helminths, fungi, algae, and lichens Protozoa : Wide variety of unicellular, nonphotosynthetic, motile eukaryotic microbes, Not a formal taxa group Protozoa Life Stages : Trophozoites - feeding & growth stages; Cysts - encapsulated stage to protect against harsh environments Protozoa Reproductio...

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9 pages

Written in 2023/2024

Grade A+

Axpert

What is the role of resazurin in fluid thioglycolate medium... : Resazurin indicates the presence of oxygen in the media A bacterial isolate is subcultured to two blood agar plates, one of which is incubated in an anaerobe jar, and the other is incubated on a shelf in the incubator. After incubation, growth is observed on the plate from the anaerobe jar, but there is not growth on the plate incubated on the incubator shelf. Based on these results how would this organism be categorized......

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7 pages

Written in 2023/2024

Grade A+

Axpert

Identify the structure indicated by the red arrow... : fine focus adjustment knob Identify the structure indicated by the red arrow... : field diaphragm lever Which of the following objectives should be used with immersion oil... : 100x objective Compound microscopes are able to maintain proper focus of a specimen when moving from low power to higher power magnification due to a property known as... : parfocal What two factors determine resolution... : quality of the lens and the wave...

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8 pages

Written in 2023/2024

Grade A+

Axpert

The use of chemical agents directly on exposed body surfaces to destroy or inhibit vegetative pathogens is: : antisepsis Gram-negative organisms : have a more complex cell wall Resident biota are found in/on the : Skin, mouth, nasal passages, and large intestine Viruses exhibit all the following EXCEPT : metabolism Koch's postulates are criteria used to establish that : a specific microbe is the cause of a specific disease Peptidoglyan is a unique macromolecule found in bacterial :...

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7 pages

Written in 2023/2024

Grade A+

Axpert