an organism that does not contan carbon and hydrog
an organism that contains carbon and hydrogen
bios 242 exam 2 complete questions and answers 202
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BIOS 242
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BIOS 242 Exam 2 Complete Questions And Answers
2023/2024 Tests
Organic Nutrient - ANS-An organism that contains carbon and hydrogen
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Inorganic Nutrient - ANS-An organism that does not contan carbon and hydrogen
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Phototroph - ANS-An organism that gains energy from light through photosynthesis
b b b b b b b b b b
Heterotroph - ANS-An organism that must obtain carbon in an organic form - they are
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b dependent on other life forms
b b b b
Chemotroph - ANS-An organism that gains energy from chemical compounds - this
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b means they eat things. Harvesting energy from the things they eat.
b b b b b b b b b b
Autotroph - ANS-An organism that gets its source of carbon from carbon dioxide an
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b iorganic carbon source - referred to as the "self feeder"; They are NOT nutritionally
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b dependent on other living things
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,Photoautotroph - ANS-An organism that gains its energy from light rays and its carbon
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b source from CO2 in the air
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Examples of a photoautotroph? - ANS-Photosynthetic organisms - algae, plants,
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b Cyanobacteria
What kind of organism is the basis of most food webs? - ANS-Photoautotrophs
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Chemoautotroph - ANS-An organism that gets its energy from eating things and gets its
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b carbon source from inorganic compounds
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Examples of a Chemoautotroph - ANS-Only certain bacteria/archaea - methanogens,
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b deep-sea vent bacteria
b b
Lithoautotroph - ANS-gets energy from inorganic materials - can actually digest rocks
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Chemoheterotrophs - ANS-derive energy from chemical energy in the food consumed;
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b carbon source also comes from the food consumed
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, What are humans classified as? - ANS-Chemoheterotrophs
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Aerobic Respiration - ANS-the principal energy-yielding pathway in where the final
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b electron acceptor in the electron transport chain is oxygen (O2)
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Osmosis - ANS-movement of water across a permeable membrane
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Simple Diffusion - ANS-The movement of molecules from a higher concontration to a
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b lower concentration
b
Facilitated Diffusion - ANS-a molecule binds to a specific carrier protein that changes
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b the shape of the cell and carries the molecule across the membrane
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Active Transport - ANS-uses ATP to transport things into the cell against the
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b concentration gradient b
Group Translocation - ANS-form of active transport that couples a transport of a nutrient
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b with its conversion to another form
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