Week 6 Y Flashcards
Protist
Unicellular eukayotic micro organisms, free living or host associated
Osmotroph
Consumes soluble nutrients
Ingestive
Hunts other protists
Types of reproduction in protist bacteria
binary fission, multiple fission, budding, fusion of M+F gametes and conjugation
Taxonomy
Classification base don size physiology and motility
Sarcodina
No fixed shape
Reproduction by mitosis
moves by pseudopods
Acanthaomeba
Grows in water, causes blindness
Entamoaeba histlyic
Destroys intestinal lining
attaches to epitheilal cell layer
Apicomplexa
Enters host cell uses shizogony
Cilli
Short eye lash like filaments
Used for cell movement
Different levels of classification in taxonomy
Species, genus, family, order, class, phylum, division, domain
Characteristics to differ prokaryoes
gram reaction
cell shape
growth
possession of specific enzymes
Issues with phenotype taxonomy
Must grow organism, time consuming
Dif tests produce dif results
Woes and pace
Organise taxonomy on genes
Parastitic
Partner harmed, other may benefit