prokaryotes

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DNA Generalities

由Montoya Tobón Montoya Tobón

UNIT 3: Molecular Genetics

由Natalie Mammone

BIO311c Concept Map

由Dominique Tan

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由Joseph-Hoang Nguyen

Prokaryotic cell

bacterial cell

arrangement

chains

streptococci

pairs

tetrads

diplococci

clusters

sarcinae

staphylococci

size

2-8 micrometer in length

0.2-2 micrometer in diameter

shape

other shapes

rectangular shape

Star-shape

main shapes

spiral

spirochete

spirilla

vibrios

bacilli

cocci

pleomorphic

monomorphic

external structure

Fimbriae and Pili

Axial Filaments

flagella

polar

amphitrichous

lophotrichous

monotrichous

peritrichous

glycocalyx

slime layer

capsule

Differ from Eukaryotic cell

replication

binary fission

transcription and translation

no histone protien

no organelles

no nuclear membrane

circular chromosomal DNA