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Bio 205 All Answers Correct

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Bio 205 All Answers Correct Heterotrophs ️They use organic carbon as food and are found in every type of water Autotroph ️Organisms that make their own food. Produces energy from sunlight and carbon dioxide, know as producers Chemoheterotrophs ️Organism that obtains its energy from th...

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  • October 20, 2024
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  • 2024/2025
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Bio 205 All Answers Correct

Heterotrophs ✔️They use organic carbon as food and are found in every type of water



Autotroph ✔️Organisms that make their own food. Produces energy from sunlight and carbon dioxide,
know as producers



Chemoheterotrophs ✔️Organism that obtains its energy from the oxidation of organic compounds



Phototroph ✔️uses light as an energy source



Chemoautotroph ✔️an organism that gets its energy from chemicals taken from the environment



General media ✔️Support the growth of a wide variety of bacteria including agar



Complex media ✔️Microbiological growth media that is made from extracts



Selective media ✔️Used to isolate or identify particular organisms, allows certain types of organisms to
grow and inhibit the growth of other organisms



Differential media ✔️Used to isolate or identify particular organisms, contains ingredients or chemicals
to distinguish which species do not carry out a specific biochemical process



Halophile ✔️Organism that requires a salt rich environment for its growth and survival



Defined media ✔️Exact amounts of chemical pure media, either organic or inorganic



Temp range for Psychrophile ✔️Low temp, food spoilage

, Temp range for mesophile ✔️Moderate temp



Temp range for thermophile ✔️High temp



Temp range for extreme thermophile ✔️Grows up to boiling point



What effects do temperature have on cell components ✔️Min- min temp where bacteria grows

MAX- max temp where bacteria can grow

Optimum- Bactria grows fastest at this temp



What are the ph conditions for growth of an acidiophile ✔️Grows best in acidic habitats



ph conditions for a neutrophiles ✔️Grows best in a range 6.5-7.5 ph



Ph conditions for alkalophiles ✔️Live in alkaline Soils and water up to a ph of 11.5



Halophile vs. nonhalophile bacteria ✔️Extreme halophile grow in 30% salt, moderate can tolerate high
salt concentrations

Nonhalophiles cannot tolerate high salt concentrations



Hyper tonic solutions on cells ✔️Higher solute concentrations, cells will shrink



Hypotonic solutions on cells ✔️Lower solute concentrations, cells will swell



Oxygen requirement for anaerobes ✔️No O2, grows at bottom of tube



Oxygen requirements for microaerophiles ✔️Low O2, grows in middle of tube

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