LAB 2

DNA is unbound and free in the cytoplasm

A relationship where one organism lives, as it kills the other

Relationship where both organisms benefit from each other

Relationship that benefits one organism and leaves the other unaffected

cells that are a bit larger than other cells

Found everywhere

Bacteria that are able to produce their own carbohydrates

Dependent upon an outside source for nutrition

light microscope used to see organisms. higher magnifying power.

parts: ocular pieces, head, arm, stage, course and fine focus, objective lenses, base.

Low magnification to examine small animals or plants

circular bunches

bunches of tubes

s shaped strings

Staphylococcus aureus

Spirillum volutans

Salmonella enteritidis

• Oscillatoria
• cyanobacterium

• Anabaena
• anabaena and azolla have a mutualistic relationship
• cyanobacterium

• Gram stain +
• susceptible to penicillin

• Gram stain -
• resistant to penicillin