Term
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Definition
Protects the cell & gives it shape |
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Definition
Protects the cell against some antibiotics (only present in gram-negative) |
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Definition
Regulates movement into & out of the cell; contains enzymes important to cellular respiration. |
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Definition
Circular piece of DNA that contains some genes obtained through genetic recombination. |
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Term
LIST THE CHARACTERISTICS OF ARCHAEBACTERIA |
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Definition
- Have unusual lipids
- Have introns in their DNA |
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Term
Which group of Archaebacteria convert H2 and CO2 in methane? Where are they found? |
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Definition
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Term
Where do extreme Halophiles live? |
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Definition
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Term
Which group of Archaebacteria live in extreme acidic & hot environment |
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Definition
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Term
Fossil evidence indicates bacteria existed on earth about how many years ago? |
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Definition
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Term
When did eukaryotes begin their existence? |
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Definition
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Term
How are bacteria identified? |
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Definition
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Term
List and identify the 3 shapes of bacteria |
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Definition
1) Bacilli (rod-shaped) 2) 3) |
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Term
100 trillion cells make-up the human body, how many are bacterial? What percent? |
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Definition
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Term
How much bacterial weight do we excrete each year? |
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Definition
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Term
List the characteristics of Eubacteria: |
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Definition
- Single Cell Prokaryote
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Term
What is the process by which bacteria replicate? |
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Definition
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Term
What process can lead to genetic diversity in bacteria? |
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Definition
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Term
Why can the endospore allow bacteria to survive for thousands of years? |
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Definition
Protects the cell against harsh environmental conditions |
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Term
What is another organism responsible for fixing atmospheric nitrogen? |
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Definition
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Term
List human uses of bacteria: |
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Definition
Food - baking and beverages Clean up oil spills, rivers, streams Make pharmaceuticals Aid in digestion |
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Term
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Definition
Bacteria that causes disease or a disease causing agent. |
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Term
List bacterial diseases and its effect on the human body: |
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Definition
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Term
METABOLIC ACTIVITY OF BACTERIA:
Chemoheterotroph |
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Definition
Organisms that must take in organic molecules for both energy and a supply of carbon. |
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Term
METABOLIC ACTIVITY OF BACTERIA:
Photoheterotroph |
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Definition
Organisms that are photosynthetic, but still need to take in organic compounds as a carbon source. |
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Term
METABOLIC ACTIVITY OF BACTERIA:
ChemoAUTOtroph |
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Definition
Make organic carbon molecules from carbon dioxide and other compounds using energy from chemical reactions. |
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Term
METABOLIC ACTIVITY OF BACTERIA:
Photoautotroph |
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Definition
Use energy from sunlight to convert carbon dioxide and water to carbon compounds. |
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Term
RELEASE OF ENERGY IN BACTERIA:
Obligate Aerobes |
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Definition
Organisms that require a constant supply of oxygen in order to live. EX: Mycobacterium tuberculosis, the bacterium that causes tuberculosis. |
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Term
RELEASE OF ENERGY IN BACTERIA:
Obligate Anaerobes |
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Definition
Do not require oxygen; some may be killed by O2! EX: Clostridium botulinum, found in soil and can be grown in canned food causing fatal food poisoning. |
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Term
RELEASE OF ENERGY IN BACTERIA:
Facultative Anaera |
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Definition
Can survive with or w/out O2. EX: E. coli, can live in the larges intestines contaminated water |
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