BIO 131 Lecture Exam 3 Quizzes Latest 2026 With
Answers
What clade are fungi in?
Opisthokonts
Fungal characteristics
Absorptive nutrition
Septate or aseptate hyphae
Chitin cell walls
store sugar alcohols
reproduce by making spores
sexual and asexual
How is the phyla of fungi determined?
By sexual reproduction
What role do fungi play in their habitats?
Saprobes- decomposers
What is the mycelium?
The whole extensive fungal organism
What is hyphae?
Tubular fungal cell/s
, What is septate hyphae?
Hyphae with internal walls with pores that allow smaller organelles to migrate
What are coenocytic or aseptate hyphae?
Hyphae that are multinucleate with free flowing cytoplasm
-repeated mitosis without cytokinesis
How does hyphae grow?
Hyphae grows by cytoplasmic streaming.
Fungi do not grow in girth, but in length and branches
How does growth related mitosis work in fungi?
The nuclear envelope remains intact with the spindle apparatus inside
What do fungi have for fluidity in their membranes, similar to cholesterol in
animals?
Ergosterol
What is haustoria in plants?
modified hyphae that grow into plant cell walls without piercing plasma membrane
allow for nutrient exchange
may persist without killing host cell
What are molds?
Answers
What clade are fungi in?
Opisthokonts
Fungal characteristics
Absorptive nutrition
Septate or aseptate hyphae
Chitin cell walls
store sugar alcohols
reproduce by making spores
sexual and asexual
How is the phyla of fungi determined?
By sexual reproduction
What role do fungi play in their habitats?
Saprobes- decomposers
What is the mycelium?
The whole extensive fungal organism
What is hyphae?
Tubular fungal cell/s
, What is septate hyphae?
Hyphae with internal walls with pores that allow smaller organelles to migrate
What are coenocytic or aseptate hyphae?
Hyphae that are multinucleate with free flowing cytoplasm
-repeated mitosis without cytokinesis
How does hyphae grow?
Hyphae grows by cytoplasmic streaming.
Fungi do not grow in girth, but in length and branches
How does growth related mitosis work in fungi?
The nuclear envelope remains intact with the spindle apparatus inside
What do fungi have for fluidity in their membranes, similar to cholesterol in
animals?
Ergosterol
What is haustoria in plants?
modified hyphae that grow into plant cell walls without piercing plasma membrane
allow for nutrient exchange
may persist without killing host cell
What are molds?
