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Sample Questions For A Biology Exam Or Essay Topics: Viruses And Bacteria

887 words - 4 pages

• BIO-112-IT1-S-14 Topic 7 Module 2 Exam - topics for essay and sho...
Viruses.
1. Why are viruses not living organisms? Pg325
Viruses are not considered living organisms because they have a single viral structural. This means viruses are not cells because they have no nucleus, organelle, or cytoplasm, and no genetic material. Having none of these characteristics viruses cannot be considered a living cell because they do not metabolize, respond to stimuli or reproduce on their own. They have to infect a living cell by entering a l host to reproduce more of its self.

2. Label the parts of a typical virus. Know the function of each part.
Pg 324???

3. Give examples of disease causing ...view middle of the document...

The domains are broke in two three main branches on the tree of life. They are Archaea, Bacteria, and Eukarya. Then there are the six kingdoms which help further break down the identification of organisms. The six kingdoms are Archaebacteria , Eubacteria, Protista, Fungi, Plantae, and Animalia. The Archaea and bacteria contain prokaryotic organisms which do not have membrane bound organelles or a nucleus. Whereas Eukarya contain eukaryotes an organelle that has membrane bound organelle and a nucleus.
Comparison of Classification Systems
Five Kingdom System

Kingdoms: Monera, Protista, Fungi, Plantae, and Animalia.

Three Domain System
Archaea Domain
o Archaebacteria Kingdom

Bacteria Domain
o Eubacteria Kingdom

Eukarya Domain
o Protista Kingdom
o Fungi Kingdom
o Plantae Kingdom
o Animalia Kingdom

2. Explain how bacteria are important (beneficial) and dangerous. Be able to give specific examples.pg 347
Well bacteria can be harmful when you do not cook chicken and other meats properly and it is consumed. An example of this would be the bacterial toxins called E. coli especially the strain O157:h7 which cause the body to produce toxins that cause belly pains, bloody diarrhea and kidney failure. Bacteria can be beneficial when Bacterial metabolisms helps make certain foods like vinegar, sauerkraut, sourdough bread, pickles, olives, yogurt, and cheese. The organic acids released in fermentation produce the tart flavors in all of the foods listed above.
3. Identify/label the basic structure, shape, parts, and arrangements of bacterial cells
Pg 339
4. Describe the unique structure of the bacterial flagella.
The bacterial flagella contain a flagellum which is a whip like extension that rotates like a planes propeller that move or taxis them to and from food, oxygen,...

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