- Study guides, Class notes & Summaries

Institutional Review Board (IRB) - Answer What approves, monitors, and reviews all biomedical and behavioral research involving humans? Institutional Animal Care and Use Committee (IACUC) - Answer What approves and regulates use of vertebrate models (zebrafish, mice, etc.)? 1. Disease is not life-threatening 2. Disease is easily treatable or can be prevented with a vaccine 3. Disease treatment (usually antibiotics) does no harm to participants (i.e. ulcers, atherosclerosis) - A...

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5 pages

Written in 2025/2026

Grade A+

TestSolver9

Epithelial cells - Answer cover all surfaces of the body (internal/external) of the body exposed to the environment Example’s of parts of the body covered in epithelial cells - Answer skin, mucosal epithelia (respiratory, intestinal, urogenital tracts, eyes) Where are epithelial cells connected? - Answer A thin sheet of connective tissue Basal lamina - Answer the thin sheet of connective tissue that attaches epithelial cells Endothelial cells - Answer line ...

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13 pages

Written in 2025/2026

Grade A+

TestSolver9

If one cannot purify a microbial agent that causes disease because the bacterium cannot be cultured, would Koch's postulated be satisfied? a) no, the bacterium or virus has to be purified and cultured to demonstrate that a given microbe is an agent of a disease b) no, because the Koch's postulates only apply to a viral infection c) yes, Koch's postulates do not apply to non-culturable organisms d) yes, Koch's postulates simply state that one can re-infect animal, so the healthy a...

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18 pages

Written in 2025/2026

Grade A+

TestSolver9

Which group of bacteria has LPS? - Answer Gram-negative bacteria Three cells types that belong to the innate immune system - Answer dendritic cell, neutrophil, macrophage Which bacterial molecule is recognized by the TLR4 receptor on human macrophages? - Answer LPS Which cell is described in this paragraph? It is a phagocytic cell of the innate immune system whose primary function is the activation of T cells. This cell presents antigens and migrates via the lymphatic sys...

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6 pages

Written in 2025/2026

Grade A+

TestSolver9

Which type of chromatography separates proteins based on their size? - Answer Gel filtration chromatography Which is a luminescence-based reported fusion gene? - Answer Luc Which type of chromatography separates protein based on their charge? - Answer Ion exchange chromatography Which is the name of a segment of bacterial DNA that can be translocated between chromosomal, phage, and plasmid DNA in the absence of a complementary sequence in the host DNA? - Answer Trans...

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9 pages

Written in 2025/2026

Grade A+

TestSolver9

Disease - Answer damage to the host, such as that caused by an infection, which often manifests symptoms Virulence - Answer ability of a microorganism to cause disease Does virulence always imply host damage/disease? - Answer No. Colonization/asymptomatic doesn't always lead to disease. Doesn't imply microorganism can transmit from host to host Ability to survive outside of host Virulence Factor - Answer a bacterial product or strategy that contributes to th...

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27 pages

Written in 2025/2026

Grade A+

TestSolver9

qualitative methods - Answer collect information on non-numerical data - answers the question "what species are present?" - census - DNA - 16s rRNA sequencing - metagenomic sequencing (study of total DNA from samples, "next-gen" sequencing) - Answer list some examples of qualitative methods quantitative methods - Answer collect information on numerical data - answers the question "how abundant is each bacterial species in a population?" - qPCR with ...

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5 pages

Written in 2025/2026

Grade A+

TestSolver9

Epithelial cells (skin/mucosal epithelial) - Answer Cover all surfaces of the body exposed to the environment Endothelial cells (blood/lymphatic vessels) - Answer Line surface of interior of body; loosely packed for immune cell movement _____ squamous epithelium line cavities like h___, l___, and m___ _____ cuboidal epithelium line K____ and g____ -Both of these are ____ layer for absorption and secretion - Answer Simple squamous epithelium line cavities like heart, lung, ...

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26 pages

Written in 2025/2026

TestSolver9

Attachment to host cells - Answer colonization Nutrient acquisition - Answer growth (Fe) Evasion of host immune system - Answer allows persistence and survival Dissemination - Answer species survival inside host, shed from host and survive Species survival outside host - Answer "pre‐infection" in environment like soil lie and wait to colonize host cells Disease symptoms - Answer result of microbe and/or its products + host response (can dicta...

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13 pages

Written in 2025/2026

TestSolver9

Which technique is commonly used for the qualitative method in microbiome studies? - metagenomic sequencing - next generation sequencing - 16S rRNA sequencing - qPCR - Answer 16S rRNA sequencing What is the main advantage of using the 16S rRNA gene for bacterial identification? - it provides information about the metabolic capabilities of bacteria - it is not present in all microbial species - it can be used to study viral genomes - it is large enough to enable discrimination...

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23 pages

Written in 2025/2026

Grade A+

TestSolver9

If one cannot purify a microbial agent that causes disease because the bacterium cannot be cultured, would Koch's postulated be satisfied? a) no, the bacterium or virus has to be purified and cultured to demonstrate that a given microbe is an agent of a disease b) no, because the Koch's postulates only apply to a viral infection c) yes, Koch's postulates do not apply to non-culturable organisms d) yes, Koch's postulates simply state that one can re-infect animal, so the healt...

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6 pages

Written in 2025/2026

Grade A+

TestSolver9

What is/are the signal(s) for injectisome assembly? - Answer All answers can be correct, depending on bacterium (Calcium ion levels, pH changes, Contact with host membrane, Oxygen levels) What is true about the Sec systems in Gram-positive bacteria? - Answer Sec2A is rarely required but it is present next to Sec1A in Gram-positive bacteria. It is important under certain stress conditions Which on of these secretion systems is used by Mycobacterium and it is also important in viru...

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6 pages

Written in 2025/2026

Grade A+

TestSolver9

Mcb4203 Exam12025 Updatequestions And Correct Verified Answers Assured Success|Already Graded A+!!!

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16 pages

Written in 2024/2025

Grade A+

Classroom001

MCB4203 Week 2 Exam 1 questions well answered to pass

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20 pages

Written in 2024/2025

Grade A+

BravelRadon

MCB4203 Exam 2 Questions With Correct Answers A+ Which technique is commonly used for the qualitative method in microbiome studies? - metagenomic sequencing - next generation sequencing - 16S rRNA sequencing - qPCR - Answer16S rRNA sequencing What is the main advantage of using the 16S rRNA gene for bacterial identification? - it provides information about the metabolic capabilities of bacteria - it is not present in all microbial species - it can be used to study viral genomes - it i...

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29 pages

Written in 2024/2025

Grade A+

StarGuide

MCB4203 Exam 1 Questions With Correct Answers A+ Define virulence factor - AnswerA bacterial PRODUCT or STRATEGY that contributes to the organism's ability to survive in the host and/or cause damage to the host Define pathogenesis - AnswerThe process by which microbes cause disease in a host Compare pathogenesis from the microbial versus the host perspective - AnswerThe microbial perspective of pathogenesis focuses on virulence factors to promote survivability within the host, e.g. tra...

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10 pages

Written in 2024/2025

Grade A+

StarGuide

Mcb4203 Packaged Exams Study Set @ 2024-2025...

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9 items

Zayla

MCB4203 - Module 14 Exam With Complete Solution ...

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6 pages

Written in 2024/2025

Grade A+

Zayla

MCB4203 - Module 7 Exam Latest Update ...

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6 pages

Written in 2024/2025

Grade A+

Zayla

MCB4203 - Exam #3 Latest Update ...

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17 pages

Written in 2024/2025

Grade A+

Zayla