(5)Station 13-14 (Domian: Bacteria )

What are the oxygen requirements for Cyanobacteria?

Aerobic and anaerobic

What are the nutritional requirements for most of the bacteria in Cyanobacteria?

Photoautotrophs

What is the name of the pigment that gives bacteria in Cyanobacteria their blue-green color?

Phycocyanin

What are the two processes that are only found together in this group of Cyanobacteria?

Release oxygen and fix nitrogen

Where can Cyanobacteria be found?

Fresh water and in marine environments

Where can Oscillatoria be found? (Cyanobacteria)

In fresh water

What shape does Oscillatoria demonstrate?

Filamentous

What causes Oscillatoria to go through a “bloom”?

Phosphates

What is the eventual outcome of these “blooms”

Removes all oxygen from the water and results in the death of other organisms (fish, insects, etc)

What type of stain do most bacteria in gram-positive bacteria demonstrate?

Gram-positive

What are the nutritional requirements for most bacteria in Gram-Positive bacteria?

Chemoheterotrophs

Is clostridium gram positive or negative?

Gram positive

What are the oxygen requirements for Clostridium? (Gram positive bacteria)

Oblígate anaerobe

What shape does Clostridium demonstrate?

Bacillus/ rod shaped

Where can Clostridium be found?

In soil contaminated with animal fecal waste

What is the function of the endospore?

To Make the bacteria resistant to harsh conditions

What type of toxin does Clostridium release

Exotoxin

What disease does Clostridium tetani cause

Lock jaw and botulism