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55 Cards in this Set

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  • Back
Archaea: What extreme environments are they found in?
Hot springs, High Salt conc., Acidic Environs, High Pressure,
Archaea: what is their cellular structure?
Prokaryote
Archaea: are they large?
No they are microscopic.
Archaea: Does their shape vary?
Yes. They can be Cocci, Rods, Square, Star shaped.
Archaea: Do they lack Peptigoglycan?
Yes, Archaea lack Peptidoglycan.
Prokaryotes: DO they have a cell wall?
Yes.
Prokaryotes: Appendages? What are they?
Cilia, flagella
Prokaryotes: What is the cell wall in plants and the cell wall in fungi?
Cell wall in Plants = cellulose
cell wall in fungi = chitin
Prokaryotes: List structure inside (7 things)
NNucleus, Nuclear membrane, nucleolus, linar chomosomes (many), cytoplasm organelles, cytoskeleton.
What is the cell wall in Prokaryotes made of?
What is the cell wall in Eukaryotes made of?
Prokaryote cell wall = peptidoglycan
Eukaryote cell wall = cellulose, chitin
Eukaryotic organisms of medical importance, name 4 types:
1. Fungi (yeasts, molds, etc.)
2. flatworms (animals)
3. nematodes (Animals)
4. amebas (protists)
Fungus: YEAST
Name properties:
Fungus: Yeast
- oval
- unicellular
- reproduce by budding
- form pseudohyphae
Eukaryotic organisms of medical importance, name 4 types:
1. Fungi (yeasts, molds, etc.)
2. flatworms (animals)
3. nematodes (Animals)
4. amebas (protists)
Fungus: Mold Form
Name some properties:
Fungus: Mold Form
- thread like multicellular hyphae
- vegetative hyphae
- reproductive hyphae
Fungus: Dimorphismic
Name some properties:
Fungus: Dimorphismic:
- yeast mold form
- interconversion by temperature
- growth emdium preferences
Hyphal morphology, what are the 2 ways
Septate: Multi-nuclear
Non-Septate/ Coenocytic
Fungus: YEAST
Name properties:
Fungus: Yeast
- oval
- unicellular
- reproduce by budding
- form pseudohyphae
Fungus: Mold Form
Name some properties:
Fungus: Mold Form
- thread like multicellular hyphae
- vegetative hyphae
- reproductive hyphae
Fungus: Dimorphismic
Name some properties:
Fungus: Dimorphismic:
- yeast mold form
- interconversion by temperature
- growth emdium preferences
Hyphal morphology, what are the 2 ways
Septate: Multi-nuclear
Non-Septate/ Coenocytic
Eukaryotic organisms of medical importance, name 4 types:
1. Fungi (yeasts, molds, etc.)
2. flatworms (animals)
3. nematodes (Animals)
4. amebas (protists)
Fungus: YEAST
Name properties:
Fungus: Yeast
- oval
- unicellular
- reproduce by budding
- form pseudohyphae
Fungus: Mold Form
Name some properties:
Fungus: Mold Form
- thread like multicellular hyphae
- vegetative hyphae
- reproductive hyphae
Fungus: Dimorphismic
Name some properties:
Fungus: Dimorphismic:
- yeast mold form
- interconversion by temperature
- growth emdium preferences
Hyphal morphology, what are the 2 ways
Septate: Multi-nuclear
Non-Septate/ Coenocytic
What are pseudohyphae?
Elongated yeast cells but are not true hypahe.
How do fungus reproduce?
Asexually.
Budding in yeast.
Fragmentation of hyphae.
How do spores form?
Spore forming structures.
Sporangia: sac like structure
Conidia: no sac (most common)
What are microconidia:
Single celled
What are Macroconida:
multi-nucleated.
2 or more cells.
Animal Parasites: What is the multicellular chain in order.
6 steps
Multicellular:
Helmenths
Round Worms
Flat Worms
Flukes, Tapeworms
Animal Parasites: What is the Unicellular Chain in order: 5 things.
Protozoa:
amebas, sporzonas, flagellates, cilliates
Ameboid known as
Sarcondina.
Ameboid / Sarcondina shape adn movement?
Ameboids have irregular shape and move by pseudopodia-amoeboid movement.
Most important human pathogen is:
Entameoba histolytica
Sporozoa are known as:
sporozoans
Do sporozoa exist in different forms?
Yes, they do.
Important human parasites include:
Plasmodium sp. – malaria
Toxoplasma sp. - toxoplasmosis
Mastigophora are known as :
Flagellates
Intestinal and urogenital flagellates
Garida and Trichomonas
2 Blood flagellates
Typanosoma and
Leshimania
* Ciliata are known as:
Cilliates
What is the only human pathogen among this groups?
Balantidium coli
How many nucleai?
There are 2. Macro and Micro.
Are metazoa unicellular or multicellular?
Multicellular.
Metazoa fall under 2 groups: What are they?
1. Playhelminthes.
2. Nemathelminthes.
Example of a Platyhelminthes (flat worms):
Flukes, Tapeworms
Examples of Nemathelminthes
Round worms.
* Platyhelminthes: are known as... what kind of worm?
Flat worms
Do flat worms have a true body cavity?
No.
True or False? Platyhelminthes are flat DORSOVENTRAL section?
True.
What are the two subdivisions of Platyhelminthes?
1. Trematoda: Leaf like
2. Cestoda: tape worm
* Nemathelminthes are known as:
Nematoda, round worms
Do nemathelminthes have segmented bodies?
Yes.
Are the sexes of nematheminthes seperate?
yes.