BIOL 1010 USU Exam 4 (Final) 2025/2026
Exam Questions Marking Scheme New
Update | A+ Rated
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 - 🧠 ANSWER ✔✔How do viruses produce
more viruses?
All viruses have:
Nucleic acid - DNA or RNA
Capsid - protein coat
Some viruses have:
Envelope - fatty membrane - 🧠 ANSWER ✔✔What makes up a virus?
1
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,symbiosis - 🧠 ANSWER ✔✔the term used to describe ecological
relationships
between organisms of different species that are in direct
contact
mutualism - 🧠 ANSWER ✔✔A relationship between two species in which
both species benefit
commensalism - 🧠 ANSWER ✔✔A relationship between two organisms in
which one organism benefits and the other is unaffected
parasitism - 🧠 ANSWER ✔✔A relationship between two organisms of
different species where one benefits and the other is harmed
fix nitrogen
decomposers, nutrient recycling
DNA technology
help digest food and produce vitamins
medicines
production of some foods
2
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, industrial applications - 🧠 ANSWER ✔✔benefits of bacteria
pathogens
food spoilage - 🧠 ANSWER ✔✔harms of bacteria
decomposers
used to make antibiotics
eaten as food
make bread, beer, cheeses
mycorrhizae - 🧠 ANSWER ✔✔benefits of fungi
disease
food spoilage
decay wood - 🧠 ANSWER ✔✔harms of fungi
bacilli - 🧠 ANSWER ✔✔rod-shaped bacteria
cocci - 🧠 ANSWER ✔✔spherical bacteria
spirochete - 🧠 ANSWER ✔✔bacterium having a spiral shape (plural =
spirochetes)
3
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Exam Questions Marking Scheme New
Update | A+ Rated
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 - 🧠 ANSWER ✔✔How do viruses produce
more viruses?
All viruses have:
Nucleic acid - DNA or RNA
Capsid - protein coat
Some viruses have:
Envelope - fatty membrane - 🧠 ANSWER ✔✔What makes up a virus?
1
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,symbiosis - 🧠 ANSWER ✔✔the term used to describe ecological
relationships
between organisms of different species that are in direct
contact
mutualism - 🧠 ANSWER ✔✔A relationship between two species in which
both species benefit
commensalism - 🧠 ANSWER ✔✔A relationship between two organisms in
which one organism benefits and the other is unaffected
parasitism - 🧠 ANSWER ✔✔A relationship between two organisms of
different species where one benefits and the other is harmed
fix nitrogen
decomposers, nutrient recycling
DNA technology
help digest food and produce vitamins
medicines
production of some foods
2
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, industrial applications - 🧠 ANSWER ✔✔benefits of bacteria
pathogens
food spoilage - 🧠 ANSWER ✔✔harms of bacteria
decomposers
used to make antibiotics
eaten as food
make bread, beer, cheeses
mycorrhizae - 🧠 ANSWER ✔✔benefits of fungi
disease
food spoilage
decay wood - 🧠 ANSWER ✔✔harms of fungi
bacilli - 🧠 ANSWER ✔✔rod-shaped bacteria
cocci - 🧠 ANSWER ✔✔spherical bacteria
spirochete - 🧠 ANSWER ✔✔bacterium having a spiral shape (plural =
spirochetes)
3
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
