12 Questions
Which shape can come in an arrangement of 4, 8, and irregular resembling a cluster of grapes?
Coccus
What is another name for a rod-shaped prokaryote?
Bacillus
Which type of prokaryote is characterized by a structure resembling a cluster of grapes?
Coccus
Which lipid bonds via an ether bond in archaeal phospholipid bilayers instead of an ester bond as in bacteria?
Archeaols
Which type of prokaryote does not require a cell wall due to residing inside a host?
Mycoplasma Spp.
Which type of prokaryotic morphology includes structures like vibrio, budding, and appendaged forms?
Spirillum
What is the main component of acid-fast cell walls that is responsible for resistance?
Mycolic acid
In acid-fast cell walls, what is the function of arabinogalactan?
Creates a thick hydrophobic layer on the outside
What is the key difference in the cell wall structure between gram-positive and gram-negative bacteria?
Number of layers in the cell wall
Which component of lipopolysaccharide (LPS) acts as an anchor in gram-negative cell walls?
Lipid A
What is the function of Braun's lipoproteins in bacterial cell walls?
Anchors different layers together
Why does the release of lipopolysaccharide (LPS) sometimes lead to septic shock?
It causes sudden drop in blood pressure due to vasodilation
Test your knowledge on the morphology of prokaryotes including cocci, rods, spirilla, and filamentous shapes. Learn about the structure of plasma membranes in bacteria and the composition of phospholipid bilayers.
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