mid term exam 1407 (1)
Microscopic Organisms
Trypanosome sp.
Shape: Spiral-shaped
Kingdom: Protista
Phylum: Euglenozoa
Note: Causes African Sleeping Sickness
Bacillus subtilis
Shape: Rod (Bacillus)
Kingdom: Bacteria
Characteristics: Gram positive (+), commonly found in soil, used in probiotics
Penicillium sp.
Kingdom: Fungi
Note: Produces penicillin antibiotic
Ulva sp.
Shape: Sheet-like
Kingdom: Plantae
Phylum: Chlorophyta
Description: Green algae (sea lettuce)
Saccharomyces cerevisiae
Shape: Oval
Kingdom: Fungi
Note: Important in baking and brewing
Staphylococcus epidermidis
Shape: Cocci (round)
Kingdom: Bacteria
Characteristics: Gram positive (+), commonly found on human skin
Plasmodium vivax
Kingdom: Protista
Note: Causes malaria
Forams
Shape: Various shapes with calcium carbonate shells
Kingdom: Protista
Phylum: Foraminifera
Description: Marine organisms
Escherichia coli
Shape: Rod (Bacillus)
Kingdom: Bacteria
Characteristics: Gram negative (-), found in intestines, some strains harmful
Nostoc sp.
Shape: Filamentous
Kingdom: Bacteria (Cyanobacteria)
Note: Fixes nitrogen in aquatic environments
Gram Staining Differences
Gram Positive: Thick peptidoglycan layer, stains purple.
Gram Negative: Thin peptidoglycan layer, outer membrane, stains pink.
Microscopic Organisms
Trypanosome sp.
Shape: Spiral-shaped
Kingdom: Protista
Phylum: Euglenozoa
Note: Causes African Sleeping Sickness
Bacillus subtilis
Shape: Rod (Bacillus)
Kingdom: Bacteria
Characteristics: Gram positive (+), commonly found in soil, used in probiotics
Penicillium sp.
Kingdom: Fungi
Note: Produces penicillin antibiotic
Ulva sp.
Shape: Sheet-like
Kingdom: Plantae
Phylum: Chlorophyta
Description: Green algae (sea lettuce)
Saccharomyces cerevisiae
Shape: Oval
Kingdom: Fungi
Note: Important in baking and brewing
Staphylococcus epidermidis
Shape: Cocci (round)
Kingdom: Bacteria
Characteristics: Gram positive (+), commonly found on human skin
Plasmodium vivax
Kingdom: Protista
Note: Causes malaria
Forams
Shape: Various shapes with calcium carbonate shells
Kingdom: Protista
Phylum: Foraminifera
Description: Marine organisms
Escherichia coli
Shape: Rod (Bacillus)
Kingdom: Bacteria
Characteristics: Gram negative (-), found in intestines, some strains harmful
Nostoc sp.
Shape: Filamentous
Kingdom: Bacteria (Cyanobacteria)
Note: Fixes nitrogen in aquatic environments
Gram Staining Differences
Gram Positive: Thick peptidoglycan layer, stains purple.
Gram Negative: Thin peptidoglycan layer, outer membrane, stains pink.