Download Biology Chapter 19: Homework

Biology Chapter 19: Homework
Hmwrk 19-1
1. What are the differences between eubacteria and archaebacteria?
2. What characteristics help to identify prokaryotes?
3. Define chemoheterotrophs, photoheterotrophs, photoautotrophs, and chemoautotrophs?
4. Determine the difference between obligate and facultative.
5. What are the differences between the three modes of growth and reproduction in bacteria?
6. Why are bacteria important? Name and explain 2 reasons.
Hmwrk 19-2
1. What are viruses?
2. Draw and label the basic viral structure. Be sure to define each term.
3. Compare and contrast a lysogenic and a lytic infection cycle.
4. What are retroviruses? Give an example of a retrovirus.
5. Are viruses alive? Compare a cell to a virus.
Hmwrk 19-3
1. What are pathogens?
2. What are the two ways that bacteria can produce disease?
3. Define the two ways in which bacterial diseases can be prevented.
4. List and describe 2 viral diseases (including what organism is infected).
5. What are viroids and prions?
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Biology Chapter 19: Study Guide
Section 1
Prokaryote
Photoheterotroph
Facultative anaerobe
Bacilli
Photoautotroph
Binary fission
Cocci
Chemoautotroph
Conjugation
Spirilla
Obligate aerobe
Endospore
Chemoheterotroph
Obligate anaerobe
Nitrogen fixation
 Know what domains and kingdoms contain prokaryotes
 Be able to label a diagram of the basic bacterial structure
 Know the differences and similarities between eubacteria and archaebacteria
 Know the characteristics that are used to identify prokaryotes (shape, cell wall,
movement) including Gram staining
 Know the variety of metabolic processes seen in prokaryotes
 Be able to compare and contrast binary fission, conjugation, and spore formation
 Know the importance of bacteria as decomposers, nitrogen fixers and for human use
Section 2
Virus
Lytic infection
Retrovirus
Capsid
Lysogenic infection
Bacteriophage
Prophage
 Know the following scientists and what they contributed to the scientific world
Dmitri Ivanovski
Wendell Stanley
Stanley Prusiner (19-3)
Martinus Beijerinck
Louis Pasteur (19-3)
 Know the basic viral structure and be able to label a diagram
 Know the two types of viral infection in detail
 Know how retroviruses differ from other viruses and be able to name an example
 Be able to compare and contrast a living cell with a virus including determining whether
a virus is a living organism or not
 Be able to describe why viruses must have evolved after other living things
Section 3
Pathogen
Antibiotic
Prion
Vaccine
Viroid
 Know the two ways in which bacteria produce disease
 Know the ways in which bacterial and viral diseases can be prevented
 Know the diseases caused by bacteria, viruses and prions in animals, plants and humans
Tuberculosis
Smallpox
Chickenpox
Strep
Foot-and-mouth disease
Scrapie
Diptheria
Tobacco mosaic disease
Creutzfeldt-Jakob disease
Anthrax
Influenza
Kuru
Lyme Disease
HIV/AIDS
Mad cow disease
 Know how bacterial growth can be controlled
 Know what viroids and prions are and how they relate to viruses
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