Viruses
Is a virus a living organism?
Defined as “agents” that infect organisms so they don’t have all properties of life so NOT LIVING.
Who wrote 4 postulates used to identify agents of diseases?
Robert Koch
Plant-like Protists –classified by______
Pigments
Define Capsid
Protein shell of a virus.
What are the 3 domains of life?
Archaea
Bacteria
Eukarya
What are examples of Unicellular?
Euglena Dinoflagellates, Diatoms, phytoplankton
What's the Lytic Cycle
Virus injects nucleic material into host cell
Simple organisms with no nucleus or membrane-bound organelles
Prokaryotic
What are examples of Multicellular?
red algae, green alga, brown algae (Kelp)
When replicated in cell, cell is destroyed. Virus is considered a ______.
Pathogen
Type of asexual reproduction -organism replicates its DNA / divides into 2 identical daughter cells
Binary Fission
What has all have eukaryotic cells?
Domain: Eukarya
Virus enters cell, either does ______ or ______.
lytic cycle or lysogenic cycle
What are the different Bacterial Shapes:
Spiral – spirillum
Round - coccus
Rod – bacillus
What's the 3 classification of Protists?
Plant-like Protists
(photoautotrophic)
Animal-like Protozoans
(heterotrophic)
Fungal-like Protists
(heterotrophic decomposers)