BIOL 459 MIDTERM 1 Exam Questions with 100% Verified
Answers Latest Update
Question: Descriptive epidemiology
Answer:
collecting data and describing occurrence of human diseases. Number of cases imply
methods to detect the disease accurately in individuals
Question: Analytical epidemiology:
Answer:
analyzing a particular disease using case control method or cohort method (also called
longitudinal studies). Human groups with and without diseases are matched and possible
relationship with causes are evaluated using statistical inferences.
Question: Experimental epidemiology
Answer:
Test effectiveness of a new vaccine against AIDS. Two groups with one receiving placebo
and the other the vaccine and determining level of infection in each group.
Question: Formites
Answer:
objects contaminated with infectious material that contains the pathogens
Question: Molecular Epidemiology
Answer:
A subfield of epidemiology that uses molecular markers in addition to genes to establish
exposure-disease relationships
Question: Metapopulations
Answer:
a group of spatially distinct populations that are connected by occasional movements of
individuals between them
Question: Biomarker
Answer:
an individual protein that is uniquely produced in a diseased state
Question: Siderophores
, Answer:
proteins secreted by pathogens that bind iron more tightly than host cells
Question: Eurytropic Organisms
Answer:
may grow within a wide range of a specific condition (ex. Eurythermic organisms can grow
under a wide range of temperature)
Question: Stenoypic organisms
Answer:
may grow within a narrow range of a physical factor (ex. Stenothermic organisms do not
tolerate much change in temperature)
Question: What is a community?
Answer:
A system of organisms living together and linked together by their effects on one another
and their responses to the environment they share
Question: Neutralism
Answer:
• Lack of interaction between two populations.
• More likely between populations with extremely different metabolic capabilities.
• Populations that are spatially distant from each other. • Populations frozen in sea ice or
frozen food.
Question:
Answer:
Question: Commensalism
Answer:
A relationship between two organisms in which one organism benefits and the other is
unaffected
Question: Synergism
Answer:
2 populations are both benefiting but the association is not obligatory
Question: Ammensalism
Answers Latest Update
Question: Descriptive epidemiology
Answer:
collecting data and describing occurrence of human diseases. Number of cases imply
methods to detect the disease accurately in individuals
Question: Analytical epidemiology:
Answer:
analyzing a particular disease using case control method or cohort method (also called
longitudinal studies). Human groups with and without diseases are matched and possible
relationship with causes are evaluated using statistical inferences.
Question: Experimental epidemiology
Answer:
Test effectiveness of a new vaccine against AIDS. Two groups with one receiving placebo
and the other the vaccine and determining level of infection in each group.
Question: Formites
Answer:
objects contaminated with infectious material that contains the pathogens
Question: Molecular Epidemiology
Answer:
A subfield of epidemiology that uses molecular markers in addition to genes to establish
exposure-disease relationships
Question: Metapopulations
Answer:
a group of spatially distinct populations that are connected by occasional movements of
individuals between them
Question: Biomarker
Answer:
an individual protein that is uniquely produced in a diseased state
Question: Siderophores
, Answer:
proteins secreted by pathogens that bind iron more tightly than host cells
Question: Eurytropic Organisms
Answer:
may grow within a wide range of a specific condition (ex. Eurythermic organisms can grow
under a wide range of temperature)
Question: Stenoypic organisms
Answer:
may grow within a narrow range of a physical factor (ex. Stenothermic organisms do not
tolerate much change in temperature)
Question: What is a community?
Answer:
A system of organisms living together and linked together by their effects on one another
and their responses to the environment they share
Question: Neutralism
Answer:
• Lack of interaction between two populations.
• More likely between populations with extremely different metabolic capabilities.
• Populations that are spatially distant from each other. • Populations frozen in sea ice or
frozen food.
Question:
Answer:
Question: Commensalism
Answer:
A relationship between two organisms in which one organism benefits and the other is
unaffected
Question: Synergism
Answer:
2 populations are both benefiting but the association is not obligatory
Question: Ammensalism
