Fungi 2

Question 1

What is the general name of fungi that live in harmony with plants?

Answer 1

Mycorrhizal

Question 2

(T/F) Mycorrhizal fungi penetrate both the cell well and plasma membrane of roots

Answer 2

False, only the cell wall

Question 3

Explain the symbiotic relationship between mycorrhizal fungi and plants

Answer 3

Fungi: increase N and P availability
Plant: provides organic compounds

Question 4

What does Ectomycorrhizal mean?

Answer 4

These are fungi that live on the outside of the roots

Question 5

Describe ectomycorrhizal fungus relationship with plants

Answer 5

The fungus wraps its mycelium fibers around the roots

Sends chemical messengers that inhibit the roots growth

Question 6

Describe how endomycorrhizal fungus penetrates the roots

Answer 6

They form an appressoria, which builds up turgor pressure until the cell wall breaks

Question 7

What does endomycorrhizal fungus produce inside the plants plasma membrane?

Answer 7

Oligosaccharides

Question 8

Appressoria

Answer 8

Structure formed by fungi, some use it to break cell wall of roots

Question 9

How do roots fight infection from ectomycorrhizal fungi?

Answer 9

They perform localized necrosis