Group 2

Size, shapes, and arrangements

Shape

Coccus

Bacilllus

Spiral

Additional shape

Pleomorphic

Various shapes, eg- Corynebacteria

No fixed shape

Cellwall-less, eg- Mycoplasma Ureaplasma

Unusual

Star-shaped, square & triangular

Arrangement

Cocci

Diplococci, staphylococci & streptococci

Bacilli

Diplobacilli & streptobacilli

Spiral

vibrio, spirillum & spirochetes

Procaryotes- organisms that lak a cell nucleus

bacteria

Cell wall

Membrane lipid- ester linked straight chained acids

RNA

Archaea

Cell wall w/o muramic acid

Membrane lipids- esther-linked banched fatty aliphatic chains

RNA w/o thymidine in tRNA

Glycocaly

Capsules

Slime layer

Arrangements-Flagella

Lophotrichous

Monotrichous

Subtopic

Subtopic

Types of Motility

Tumbles

Swarm

Axial filaments (endoflagella)

Eg- Treponema pallidum & Borrelia burgdorferi

Fimbriae and Pilli

Fimbriae

Pili

Gram positive

Lipoteichoic acid

Wall teichoic acid

Gram negative

Lipopolysacharide

Septic Shock/Endotoxin shock