archaebacteria and eubacteria by the crime mob minus one and plus tim
TRANSCRIPT
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Archaebacteria and Eubacteria
By the CRIME MOB minus oneAnd plus Tim
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Some terms U Should NO
• ProKaryote- A unicellular organism lacking a
nuclear membrane, a discrete nucleus, and
other specialized compartments within the
cell.
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More Terms U should NO
• Plasmid- A linear or circular double-stranded DNA that is capable of replicating independently of the chromosomal DNA
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More Terms U should NO
• Peptidoglycan- A polymer that serves a structural role in the bacterial cell wall, giving structural strength, as well as counteracting the osmotic pressure of the cytoplasm. It is also involved in binary fission during bacterial cell reproduction
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More Terms U should NO
• Flagella- Long, slender, threadlike, whiplike extension of certain cells or unicellular organisms used mainly for movements
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More Terms U should NO
• Gram stain technique- used to distinguish between gram-positive and gram-negative bacteria, which have distinct and consistent differences in their cell walls
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More Terms U Should NO
• Obligate anaerobes- anaerobic organisms which fail to grow in the presence of oxygen
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More Terms U Should NO
• Obligate aerobes - require oxygen for aerobic cellular respiration. In a process known as cellular respiration, these organisms use oxygen to oxidize substrates (for example sugars and fats) in order to obtain energy.
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More Terms U Should NO
• Facultative anaerobe- an organism, usually a bacterium, that makes ATP by aerobic respiration if oxygen is present but is also capable of switching to fermentation. In contrast, obligate anaerobes die in presence of oxygen.
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How This Kingdom Gets Nutrients
• Photoautotrophs- create nutrients by using sunlight as a source and carbon dioxide
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How This Kingdom gets Nutrients
• Chemoautotrophs- obtain nutrients from inorganic substances and utilizes the carbon dioxide to make natural compounds.
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How This Kingdom Gets Nutrients
• Saprophytes- Organisms that obtain their nutrients from decaying plants and animals
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How This Kingdom Gets Nutrients
• Parasites- An organism which obtains food and shelter from another organism
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How This Kingdom Gets Nutrients
• Decomposers- organisms, mostly bacteria and fungi that recycle nutrients from decaying organic material. They break down detritus, nonliving organic matter, into inorganic matter
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Distinguishing features of Kingdom Archaebacteria
• The kingdom Archaebacteria is biochemically different from Eubacteria. Most of these species can or have adapted to extreme environments such as extreme temperatures, or acidity of their environment. They only reproduce asexually and there are only about 100 species.
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Examples of ArchaeBacteria
• Methanogens-common in wet lands and guts of animals. Produces marsh gas and are responsible for methane in flatulence
• ex. Methanobacterium, bryantii
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Examples of ArchaeBacteria
• extreme halophilesare extremeophiles that live in high concentrations of salt Live in areas with the salt concentration being 5X greater than that of the ocean
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Examples of ArchaeBacteria
• thermoacidophiles Live in areas with the temperature being 70-80 degrees C Thrive in acidic and sulfurous areas
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Examples of Eubacteria
• Cyanobacteria, Also known as blue green algae, get NRG through photosynthesis it is a primary producer in the ocean
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Examples of Eubacteria
• Chemosynthetic Bacteria, Can survive without light NRG, One of the oldest forms of life use the oxidation of sulphides as an energy source are the basis of a food
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Examples of Eubacteria
• Nitrogen-Fixing Bacteria, use nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds
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Examples of Eubacteria
• Spritochetes Long slender bacteria and they are tightly coiled this can cause syphilis and lyme disease
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Shapes Of Bacteria
• Coccus- are spherical shaped
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Shapes of Bacteria
• Bacillus- are rodlike shaped
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Shapes of Bacteria
• Spirilla – are curved or spiriled
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Arrangements
• Strepto: the prefix for this means twisted chain
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Arrangements
• Staphylo: means grape like
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Arrangements
• Diplo: this means Double
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• Gram-positive bacteria organisms- are able to retain the crystal violet stain because of the high amount of peptidoglycan in the cell wall.
• Gram-negative bacteria organisms- cell walls in particular the lipopolysaccharide (also known as LPS or endotoxin) layer.(which does not hold in the violet stained crystals)
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Ways Bacteria Can be Harmful
• Can Infect You• Can Cause Permant Damage• Can Kill You
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Ways Bacteria Can Be Helpful
• One way bacteria can be helpful is bacteria live in the intestines of human beings. They help in digestion and in destroying the harmful organisms. Intestinal bacteria also produce some vitamins required by the human body another way bacteria are good is that some of them help break down lactose in the digestive tract the third reason is Some bacteria present on the skin protect us from the spread of certain fungus