Protozoa
Eukaryotic always unicellular (1cell)
Fungi and algae
May be unicellular or multicellular
Helminths
Always multicellular
Features found in all microbial eukaryotic cells.
Cytoplasmic membrane
Nucleus
Mitochondria
Enoplasmic reticulum
Golgi apparatus
Vacuoles
Cytoskeleton
Features found in only some eukaryotic cells.
Cell wall
Locomotor appendages
Chloroplasts
Glycocalyx
5 million species of fungi can be divided into two groups:
Macroscopic fungi
-mushrooms, puffballs, gill fungi
Microscopic fungi
-molds, yeasts
What does macroscopic mean?
You can see with an unaided eye (no microscope)
A bud from a fungal yeast cell:
Will become a separate cell, asexual reproduction
Pseudohypha
A chain of yeast that forms when the buds remain attached to the
All fungal organisms are heterotropic meaning?
They need to acquire nutrients from a wide variety of organic materials called substrates.
Saprobes obtain their nutrients from:
Dead plants and animals (most fungi)
Parasites obtain their nutrients from:
Living on the bodies of living animals or plants.
Mycelium fungi
Woven intertwining mass of hyphae that makes up the body or colony of a mold.
Septa
The cross walls dividing hyphae into segments
Spores
Fungal reproductive bodies
Primary reproductive strategy for fungi
Spore formation
3 medical conditions caused by fungi
1 community aquired infections
2 hospital associated infections
3 opportunistic infections
A protist is:
Any eukaryotic unicellular or simple multicellular organism that lacks true nucleus
Protozoa are ________ and require their food in complex organic form
Heterotrophic
Free living Protozoa
Scavenge dead plants or animal debris, or graze on live cells of bacteria and algae
Parasitic Protozoa
Live on fluids of the host such as plasma and digestive juices, may actively feed on tissue.
Pseudopods
(False feet) amoeboid motion (movement)
Cilia
A style of locomotion, distributed over the entire surface of the cell in characteristic patterns
Four types of locomotion in Protozoa
Flagellum
Pseudopod
Cilia
Cryptosporidium