WEEK 2 MICP LEC

What is the average size of a bacillus bacteria?

• 0.5 um wide x 2 um long

• 1 um wide x 3 um long

• 0.2 um in diameter

• 10.0 um-long

How do bacteria reproduce?

• Fragmentation

• Parthenogenesis

• Binary fission

• Budding

Which bacteria shape is filament-shaped and can form branches resembling strands of hair or spaghetti?

• Spherical (cocci)

• Spiral-shaped (spirilla)

• Mycelium

• Rod-shaped (bacilli)

What is the function of endotoxins in bacteria?

• Produce and secrete

• Activate host complement and coagulation cascades

• Cause septic shock

• Result in severe, disease-specific symptoms

Which bacteria is thinner on one side than the other?

• Haloarcula marismortui

• Corynebacterium

• Actinomycetes

• Mycoplasma pneumoniae

What is the size range of bacteria?

• 0.1 to 1 micrometers

• 0.5 to 5 micrometers

• 2 to 7 micrometers

• 1 to 10 micrometers

Which bacteria are the tiniest organisms capable of surviving outside of a host?

• Poxviruses

• Neisseria gonorrhoeae

• Mycoplasma genitalium

• Mycoplasma pneumoniae

What is the main category of exotoxins produced by bacteria?

• Endotoxins

• Cytotoxins

• Neurotoxins

• Enterotoxins

What is the shape of bacteria that can form branches resembling strands of hair or spaghetti?

• Spherical (cocci)

• Spiral-shaped (spirilla)

• Mycelium

• Rod-shaped (bacilli)

Which bacteria reproduce through binary fission?

• Fragmentation

• Parthenogenesis

• Binary fission

• Budding