6 Written Questions

1. the division of a prokaryotic cell into two offspring cells
2. outer protein coat of a virus
3. bacteria that have less peptidoglycan and are structurally more complex (pink)
4. virus that contains RNA as its genetic information
5. archaea that live in extreme environments
6. bacteria that have simpler walls with a relatively large amount of peptidoglycan (purple)

6 Multiple Choice Questions

1. symbiotic relationship where one partner benefits & the other is unaffected
   1. biogenesis
   2. Commensalism
   3. Conjugation
   4. bioremediation
2. cycle of viral infection; results in replication of virus and cell destruction
   1. retrovirus
   2. lytic cycle
   3. extremophile
   4. prokaryote
3. an enzyme that catalyzes the formation of DNA from an RNA template
   1. reverse transcriptase
   2. retrovirus
   3. gram positive
   4. prokaryote
4. viruses that infect bacteria
   1. extremophile
   2. pathogen
   3. endospore
   4. bacteriophage
5. a thick-walled protective spore that forms inside a bacterial cell and resists harsh conditions
   1. endospore
   2. prokaryote
   3. pathogen
   4. retrovirus
6. uses bacteria to break down pollutants
   1. Nitrogen fixation
   2. Conjugation
   3. bioremediation
   4. binary fission

6 True/False Questions

1. prokaryote → A unicellular organism that lacks a nucleus and membrane bound organelles

   True        False

2. Conjugation → In bacteria, the direct transfer of DNA between two cells that are temporarily joined.

   True        False

3. pathogen → a virus or organism that can cause disease

   True        False

4. biogenesis → development of life from preexisting life

   True        False

5. photoautotroph → A unicellular organism that lacks a nucleus and membrane bound organelles

   True        False

6. Nitrogen fixation → uses bacteria to break down pollutants

   True        False