MP - Fungi Flashcards
(51 cards)
Yeast [CHARACTERISTICS]
Unicellular
Tube-like strands [CHARACTERISTICS]
Hypha/Hyphae
Aggregate of hyphae
Mycelium
Hardened mass of mycelium that generally serves as an overwintering stage
Sclerotium
Mycelial cords, rhizomorphs and fruit bodies (mushrooms) [CHARACTERISTICS]
Multicellular
Feed on dead tissues or organic waste (decomposers) [CHEMOHETEROTROPHS]
Saprophytes/Saprobes
Mutually beneficial relationship between a fungus and another organism [CHEMOHETEROTROPHS]
Symbionts
Feeding on living tissue of a host [CHEMOHETEROTROPHS]
Parasites
Cell wall
Chitin
Food storage of fungi
Lipids and Glycogen
Fungi are Prokaryotes or Eukaryotes?
Eukaryotes
All fungi require _ and _
Water and Oxygen
Fungi can grow in where?
Almost any habitat imaginable
Number of described species is somewhere between
69,000 - 100,000 (1.5M species total)
Fungi usually grow in an environment with a pH of _, which is too acidic for most common bacteria
pH = 5
Almost all molds are _
Aerobic
Most yeasts are _
Facultative anaerobes
Most fungi are more resistant to _ than bacteria, most can therefore grow in relatively high sugar or salt concentration
Osmotic pressure
Appearance of a colony in fungi
- whitish, gray with fuzzy edges
- usually turn into a different color from center outwards
An area of yeast cell that bulges out to form new cells. Nucleus divides by mitosis
Buds
Specialized cells that can function as resting or dispersal propagules. Maybe asexual or sexual.
Spores
Purpose of fungi’s spores
- Allows the fungus to move to new food source
- Resistant stage
- Means of introducing new genetic combinations into a population
[TYPE OF SPORES]
Formed by the fragmentation of a separate hypha into single, slightly thickened cells. Produced by Coccidiodes immitis
Arthrospores/Arthroconidia
[TYPE OF SPORES]
Thick walled spore formed by rounding and enlargement within a hyphal segment. Produces by candida albicans
Chlamydoconidia