Microbiology Exam 1 (set 2)

Chapters 4-6. 

73 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
Prokaryotes
"Before Nucleus" No membrane bound organelles Free DNA, association with some proteins Always have cell walls with a COMPLEX structure Usually divide by binary fission
Eukaryotes
"True Nucleus"Have organellesEnclosed DNA, high association with proteins (histones) If cell wall is present then it is a simple structureDivide by mitosis
Monomorphic
Only one shape for a prokaryote
Pleomorphic
More than one shape for a prokaryote
Streptococcus
Answer 5
Chains
Staphylococcus
Answer 6
Large clusters
Vibrio
Answer 7
Short curve
Spirillum
Answer 8
HelicalUse flagella to move
Spirochete
Answer 9
Twists to moveNO flagella
Glycocalyx
Sugar CoatCapsules and slime layers (loose)Functions: attachment and protection
Flagella
Answer 11
Composed of three parts: filament, hook, and basal body
Filament
Made of protein called flagellin wrapped like a hollow rope
Hook
Attached to the filament and basal bodywhat rotates the flagella
Basal body
Anchors to the cell wall/membrane
Taxis
The movement towards a stimulus