Prokaryotic cell

Differ from Eukaryotic cell

circular chromosomal DNA

no nuclear membrane

no organelles

no histone protien

transcription and translation

binary fission

replication

external structure

glycocalyx

capsule

slime layer

flagella

peritrichous

polar

monotrichous

lophotrichous

amphitrichous

Axial Filaments

Fimbriae and Pili

bacterial cell

shape

monomorphic

pleomorphic

main shapes

cocci

bacilli

spiral

vibrios

spirilla

spirochete

other shapes

Star-shape

rectangular shape

size

0.2-2 micrometer in diameter

2-8 micrometer in length

arrangement

clusters

staphylococci

sarcinae

pairs

diplococci

tetrads

chains

streptococci