Exam 25: Bacteria and Archaea

Some elongated fimbria are important in transferring DNA between bacteria. ____________________

Figure 25-1 In the accompanying figure, what would structure A be made up as a gram-negative bacterium?

A bacterium that uses the oxidation of inorganic compounds to provide energy for manufacturing nutritious organic compounds is a:

How do bacteria move?

What are Koch's postulates?

Plasmids of bacteria often have genes involved in:

What is the purpose of sex pili?

Gram-negative cell walls have an outer membrane that contains lipids and peptidoglycans . ____________________

Bacterial plasmids often have genes that code for genetic exchange or antibiotic resistance. ____________________

Which statement about bacteria is FALSE?

Which Archaea have the ability to carry out a form of the Calvin cycle, capturing sunlight with bacteriorhodopsin?

Prokaryotes have a(n) nucleus that contains DNA. ____________________

Most bacterial cells can keep from bursting in a hypotonic environment because of:

How do some bacteria respond to adverse environmental conditions?

Which statement about biofilms is FALSE?

____ is a form of genetic exchange in bacteria that involves contact between two cells.

Which disease is caused by an exotoxin released by the gram-positive, endospore-forming bacteria, often because food was not heated sufficiently to kill the endospores?

What are the four Koch's postulates in identifying pathogens that cause a particular disease?

Streptococci, the bacteria responsible for strep throat infections, is classified within which group of Bacteria?

Gram-positive bacteria would stain ____ in a gram stain because of a thick layer of ____ in their cell walls.