Ch.19 Bacteria and Viruses

Differences between Eubacteria and Archaebacteria include:

• Cell wall
• Cell membrane
• DNA sequences
• All of these

Prokaryotes usually have linear chromosomes.

• True
• False

Prokaryotes often have small, extrachromosomal loops of DNA called...?

• Plasmids
• Plasma
• Nucleus
• Fruit Loops

Name the shape of these bacteria.

• Cocci
• Bacilli
• Spirilli

What shape are these bacteria?

• Cocci
• Bacilli
• Spirilli

Cyanobacteria, also known as blue-green algae, are an example of a:

• heterotroph
• photoautotroph
• chemoautotroph

Which type of bacteria would you expect to find in a mammal's gastrointestinal tract:

• Photoautotroph
• Autotroph
• Heterotroph

Some bacteria use _____ to attach themselves to surfaces or other cells.

• psudopods
• pili
• flagella
• glue

Which test tube contains obligate anaerobic bacteria?

• Test tube 1

• Test tube 2

• Test tube 3

Bacteria exchange genetic information during binary fission.

• True
• False