1
BIOL 1010 USU Exam 4 (Final) Questions with Answers
(100% Correct Answers)
How do viruses produce more viruses? Answer: 4 steps most viruses use
during this process
1. get genetic material into the host cell
2. use the cell to produce viral component parts
3. assemble new viruses
4. move viruses out of the cell
What makes up a virus? Answer: All viruses have:
Nucleic acid - DNA or RNA
Capsid - protein coat
Some viruses have:
Envelope - fatty membrane
the term used to describe ecological relationships
between organisms of different species that are in direct
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,2
contact Answer: symbiosis
A relationship between two species in which both species benefit
Answer: mutualism
A relationship between two organisms in which one organism benefits
and the other is unaffected Answer: commensalism
A relationship between two organisms of different species where one
benefits and the other is harmed Answer: parasitism
benefits of bacteria Answer: fix nitrogen
decomposers, nutrient recycling
DNA technology
help digest food and produce vitamins
medicines
production of some foods
industrial applications
harms of bacteria Answer: pathogens
food spoilage
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, 3
benefits of fungi Answer: decomposers
used to make antibiotics
eaten as food
make bread, beer, cheeses
mycorrhizae
harms of fungi Answer: disease
food spoilage
decay wood
rod-shaped bacteria Answer: bacilli
spherical bacteria Answer: cocci
bacterium having a spiral shape (plural = spirochetes) Answer:
spirochete
A thick-walled protective spore that forms inside a bacterial cell and
resists harsh conditions Answer: endospores
organisms that cause disease Answer: pathogens
© 2025 All rights reserved
BIOL 1010 USU Exam 4 (Final) Questions with Answers
(100% Correct Answers)
How do viruses produce more viruses? Answer: 4 steps most viruses use
during this process
1. get genetic material into the host cell
2. use the cell to produce viral component parts
3. assemble new viruses
4. move viruses out of the cell
What makes up a virus? Answer: All viruses have:
Nucleic acid - DNA or RNA
Capsid - protein coat
Some viruses have:
Envelope - fatty membrane
the term used to describe ecological relationships
between organisms of different species that are in direct
© 2025 All rights reserved
,2
contact Answer: symbiosis
A relationship between two species in which both species benefit
Answer: mutualism
A relationship between two organisms in which one organism benefits
and the other is unaffected Answer: commensalism
A relationship between two organisms of different species where one
benefits and the other is harmed Answer: parasitism
benefits of bacteria Answer: fix nitrogen
decomposers, nutrient recycling
DNA technology
help digest food and produce vitamins
medicines
production of some foods
industrial applications
harms of bacteria Answer: pathogens
food spoilage
© 2025 All rights reserved
, 3
benefits of fungi Answer: decomposers
used to make antibiotics
eaten as food
make bread, beer, cheeses
mycorrhizae
harms of fungi Answer: disease
food spoilage
decay wood
rod-shaped bacteria Answer: bacilli
spherical bacteria Answer: cocci
bacterium having a spiral shape (plural = spirochetes) Answer:
spirochete
A thick-walled protective spore that forms inside a bacterial cell and
resists harsh conditions Answer: endospores
organisms that cause disease Answer: pathogens
© 2025 All rights reserved
