Unit 1 - Fungi

Question 0

What does the fungi group involve

Answer 0

Microorganisms, molds, mushrooms

Question 1

What is mycology

Answer 1

Study of fungi

Question 2

What are the characteristics of fungi

Answer 2

Eukaryotes, cell wall contains chitin, closely related to animals, no mechanisms of locomotion, range in size of microscopic to very large.

Question 3

What are heterotrophs

Answer 3

No chloroplasts for photosynthesis Uses organic material for growth.

Question 4

What is an autotroph

Answer 4

An organism that uses inorganic material for growth and produce organic material

Question 5

How do fungi get nutrients

Answer 5

Acquired by absorption.. Usually from decaying material

Question 6

are fungi aerobic ?

Answer 6

Aerobic or facultative anaerobic, only a few anaerobic fungi are known

Question 7

How do fungi reproduce

Answer 7

Asexually or sexually

Question 8

What are the three fungi categories

Answer 8

Saprophytic, parasitic, mycorrhizal (symbiotic)

Question 9

What is a saprophytic categories

Answer 9

Largest group of fungi, they grow on dead organic matter and work to rot or digest that organic matter. Good with fallen trees, dead leaves etc

Question 10

What is the parasitic fungi categories

Answer 10

Second largest group, prefer a living host.. Can cause damage to a host

Question 11

What is a mycorrhizal fungi

Answer 11

Form a partnership mainly with trees and plants. Mutually beneficial

Question 12

Describe yeast

Answer 12

Non filamentous, microscopic, unicellular fungi. Oval or spherical. Larger than bacteria. Widely distributed. Reproduces by budding or fission

Question 13

Describe the yeasts budding

Answer 13

Budding yeast divide unevenly. Parent cell forms a protuberance on its outer surface. Bud elongates and parents cells nucleus divides, makes a cell wall division, bud breaks away

Question 14

How many yeasts cell can produce

Answer 14

24 daughter cells by budding

Question 15

What is a fission yeast

Answer 15

Divide evenly to produce two new cells. Parent cell elongates, parent cell nucleus divides, two daughter cells are produced

Question 16

What is a yeast capable of

Answer 16

Facultative anaerobic growth.

Question 17

What happens if oxygen is present for yeast

Answer 17

Performs aerobic respiration to metabolize carbohydrates to carbon dioxide and water

Question 18

What happens with yeast if no oxygen is present

Answer 18

They ferment carbohydrates and produce ethanol and carbon dioxide

Question 19

What is yeast used for in the food industry

Answer 19

Bakers yeast, bubbles, beer yeast, wine yeast

Question 20

What is a hyphae

Answer 20

Thallus (body) of a mild or fleshy fungus consists of long filaments of cells joined together.

Question 21

What are septa

Answer 21

Molds that have hyphae that contain cross walls

Question 22

What is a vegetative hyphae

Answer 22

Portion of hypha that obtains nutrients and forms mycelium

Question 23

What are Aerial hyphae

Answer 23

Portion of hypha concerned with reproduction and projects from surface of medium

Question 24

What are most molds

Answer 24

Aerobic

Question 25

Why is the life cycle of fungi

Answer 25

Filamentous fungi can reproduce asexually by fragmentation of their hyphae. Both sexual and asexual reproduction occurs by the formation of spores. Fungi is identified by spore type

Question 26

What are the molds in the industry used for

Answer 26

Food, pharmaceutics.

Question 27

What is a dimorphic fungi

Answer 27

Some fungi, especially the pathogenic species exhibit dimorphism. Can grow as a mold or a yeast. Non pathogenic fungi dimorphism can be co2 dependant.