MICROBIOLOGY HCC FINAL EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS  

MICROBIOLOGY HCC FINAL EXAM
WITH CORRECT ACTUAL QUESTIONS
AND CORRECTLY WELL DEFINED
ANSWERS

, Prokaryotes - ANSWERLack nucleus and other organelles

Bacteria and Archae are examples

Eukaryotes - ANSWERHave a nucleus
Larger in size

Examples: algae, protozoa, fungi, animals, plants

Glycocalyces - ANSWERKeep cell from drying, helps stick and protect from host

Capsules and slime layers (biofilms)

Capsule - ANSWERUsed for attachment and to not be recognized by host

Slime layer - ANSWERSticky; Allows prokaryotes to attach to surfaces

Flagella - ANSWERHelps with movement

Flagella body - ANSWERHook, filament, basal body

Tubulin - ANSWERPresent in eukaryotic flagella

Flagellin - ANSWERFlagella Present in bacteria

Fimbrae - ANSWERAdhere to substances in the environment, biofilms

Non motile, more numerous

Pili - ANSWERType of fimbrae, one or two per cell,

help to transfer dna from one cell to the other= conjugation

Bacteria only

Gram positive cell wall - ANSWERThick peptidoglycan
Stains purple
Mycolic acid (waxy) helps from drying
Techoic acids

Gram negative cell wall - ANSWERThin peptidoglycan layer