Bio 139 Exam 3 Questions and Correct Answers & Latest Updated
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Course
BIO 139
Institution
BIO 139
Commensalism
o :## one organism benefits and the other is unaffected
Mutualism
o :## both organisms benefit
Parasitism
o :## One organism benefits and the other is harmed
What type of microbes are found in human microbiota?
o :## Bacteria, Archaea, Fungi
At what age is NF established?
o :#...
Bio 139 Exam 3 Questions and Correct Answers
& Latest Updated
Commensalism
o :## one organism benefits and the other is unaffected
Mutualism
o :## both organisms benefit
Parasitism
o :## One organism benefits and the other is harmed
What type of microbes are found in human microbiota?
o :## Bacteria, Archaea, Fungi
At what age is NF established?
o :## 3 years old
What does microbiota do?
o :## Regulates metabolism
Regulates immune responses
Protects against foreign microbes
Involved in neurological development
Master01: DO NOT COPY AND PASTE!! August 25, 2024 Latest Update
,2|Page: 2024/2025 Grade A+
Inter personal variation
o :## Related to different experiences, diets, climate, age, genetics, hygiene, environmental
exposure among individuals
Intra personal variation
o :## Related to all of the above within a persons lifetime and additionally to anatomical site
differences
Normal flora
o :## Microorganisms that reside in or on the body without causing disease
Resident flora
o :## microorganisms that normally reside on the skin, mucous membranes, and inside the
respiratory and gastrointestinal tracts
Transient flora
o :## Just passing through; may attempt to colonize but unable to stay
Opportunistic flora
o :## normal flora that can be potential pathogen if health is compromised
Frank pathogen
o :## Capable of causing disease regardless of the status of host immune system (healthy or
immunocompromised)
Master01: DO NOT COPY AND PASTE!! August 25, 2024 Latest Update
, 3|Page: 2024/2025 Grade A+
What are three things that may alter the balance of NF and result in opportunistic
infections?
o :## Antibiotics, illness, change in diet
What is a characteristic of the Oral Cavity that would contribute to the inhabitation of
microbes?
o :## High concentration of nutrients
What is a characteristic of the Skin that would contribute to the inhabitation of microbes?
o :## Generally dry, acid environment that does not support the growth of most
microorganisms
What is a characteristic of the GI tract that would contribute to the inhabitation of
microbes?
o :## Populations are influenced by diet and physical conditions
What is a characteristic of the UGT that would contribute to the inhabitation of microbes?
o :## Altered conditions can cause potential pathogens in the urethra to multiply and become
pathogenic
Dysbiosis
o :## microbial imbalance or maladaptation
Prebiotic
o :## Induce growth or activity of microbes
Master01: DO NOT COPY AND PASTE!! August 25, 2024 Latest Update
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