| Concepts | Questions | Media Resources |
28.1 Viruses, Viroids, and Prions - Viruses are noncellular. Viruses do reproduce, but may live inside living cells.
- Viruses are obligate intracellular parasites because they must reproduce inside host cells.
| - Describe the structure of a typical virus.
Answer
- Give examples of human diseases that are caused by viruses.
Answer
- For what type of infections should antibiotics be prescribed?
Answer
- What type of particle causes mad cow disease, and what is its structure?
Answer
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Characteristics
Life Cycles Art Quiz
Maintaining Prions General Biology Weblinks
Microbiology |
28.2 Bacteria and Archea - Prokaryotes, the archaea and bacteria, lack a nucleus and most other cytoplasmic organelles found in eukaryotic cells.
- Prokaryotes reproduce asexually by binary fission. Genetic exchange does occur among bacteria.
- Most prokaryotes are heterotrophic by absorption but some are autotrophic, being either photosynthetic or chemosynthetic.
| - Describe the basic structure of a prokaryote.
Answer
- What is the primary difference between photosynthetic autotrophs and chemosynthetic autotrophs?
Answer
- What are some human diseases caused by bacteria?
Answer
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Characteristics
Diversity Art Quiz
Griffith's Experiment of Transformation |
28.3 Protists - The protists include eukaryotic unicellular organisms and some related multicellular forms.
- Among protists, algae are the plantlike protists; protozoans are the animal-like protists; slime molds and water molds are the funguslike protists.
| - What reproductive adaptation do many protists have that allow survival under harsh environmental conditions?
Answer
- List the major groups of protozoans.
Answer
- What human disease caused by a protozoan involves a mosquito?
Answer
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Characteristics
Protozoa
Photosynthetic
Fungus-like |
28.4 Fungi - Fungi are multicellular eukaryotes with a filamentous body.
- Fungi are the most complex organisms to rely on saprotrophic nutrition.
| - Characterize the fungi.
Answer
- What are lichens?
Answer
- What are examples of diseases caused by fungi?
Answer
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Characteristics
Diversity Art Quiz
Life Cycle of Rhizopus |
