Term
What are the domains of Prokaryotes? |
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Definition
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Term
True or false: Prokaryotes are one of the most numerous organisms on Earth. |
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Definition
False: They are THE most numerous organisms on Earth. |
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Term
True or false: prokaryotes have little variety. |
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Definition
False: prokaryotes have tremendous diversity. |
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Term
True or false: much is still unknown about prokaryotes. |
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Definition
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Term
What gives prokaryotes their tremendous physiological diversity? |
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Definition
How they adapt their physiology to extreme environments. |
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Term
What do prokaryotes lack? |
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Definition
Membrane bound organelles. |
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Term
What organelle do prokaryotes have? |
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Definition
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Term
Are prokaryotes generally single celled or multicelled? |
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Definition
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Term
What is the general size of prokaryotes? |
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Definition
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Term
What is the value of a micrometre? |
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Definition
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Term
What are the three main common shapes of Prokaryotes? |
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Definition
- Cocci - Bacilli - Sparilla |
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Term
What is the shape of Cocci? |
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Definition
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Term
What is/are the kind(s) of Cocci? |
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Definition
Diplococci, Streptococci ans Staphlococci. |
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Term
What is the shape of Bacilli? |
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Definition
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Term
What is/are the kind(s) of Bacilli |
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Definition
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Term
What is the shape of Sparilla? |
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Definition
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Term
What is/are the kind(s) of Sparilla? |
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Definition
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Term
What is the diplococci shape? |
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Definition
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Term
What is the streptococci shape? |
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Definition
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Term
What is the Streptobacilli shape? |
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Definition
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Term
What is the Spirochete shape? |
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Definition
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Term
What is the shape of Staphlococci? |
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Definition
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Term
What do prokaryotes have for protection? |
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Definition
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Term
What, besides prokaryotes, have cell walls? |
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Definition
Plants, Fungi, Archaea and Bacteria. |
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Term
What is the name of the stuff that comprises the cell walls of plants? |
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Definition
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Term
What is cellulose made of? |
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Definition
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Term
What is the name of the stuff that comprises the cell walls of fungi? |
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Definition
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Term
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Definition
Nitrogen containing polysaccharides. |
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Term
What is the name of the stuff that comprises the cell walls of bacteria? |
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Definition
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Term
What is Peptidoglycan made of? |
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Definition
Polymers of sugars and amino acids. |
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Term
What test is used to determine the structure of a bacterial cell wall? |
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Definition
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Term
What are the two results that can come from a Gram Stain? |
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Definition
Gram Positive and Gram Negative |
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Term
What does Gram Positive look like? |
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Definition
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Term
What is Gram Positive indicative of? |
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Definition
One external layer of peptidoglycan. |
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Term
What does Gram Negative look like? |
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Definition
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Term
What is Gram Negative indicative of? |
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Definition
Peptidoglycan sandwhiched between membranes. |
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Term
What is the result of having peptidoglycan sandwhiched between membranes? |
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Definition
The cell can have higher drug resistance. |
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Term
Archaea cell walls are _____________ similar but _______________ different. |
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Definition
Archaea cell walls are structurally similar but chemically different. |
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Term
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Definition
External layer of polysaccharides and protein. |
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Term
What does Capsule help with? |
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Definition
- Helps bacteria attach to surfaces and each other. - Aids in formation of biofilms. |
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Term
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Definition
- Causes disease - Help digest food in large intestine - Cycle nutrients in ecosystem - Aid plant growth. |
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Term
What kind of movement are prokaryotes capable of? |
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Definition
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Term
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Definition
Directed movement toward (positive) or away from (negative) stimuli. |
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Term
What is an example of taxis? |
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Definition
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Term
What are the structures with which prokaryotes perform taxis? |
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Definition
Flagellum, Pilli and Fimbriae. |
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Term
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Definition
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Term
How is a prokaryotic flagellum different from a eukaryotic flagellum? |
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Definition
It is not an extension of the cytoskeleton. |
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Term
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Definition
Short hair-like structures. |
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Term
What do Pilli and Fimbriae do? |
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Definition
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Term
What is a prokaryote's DNA like? |
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Definition
A singular circular chromosome. |
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Term
Where is the prokaryote's DNA? |
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Definition
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Term
What structural feature serves the function of the mitochondrial cristae and the chloroplast thykaloids? |
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Definition
Plasma membrane infoldings. |
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Term
Plasma membrane infoldings reproduces the functions of what eukaryotic structures? |
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Definition
Mitochondrial cristae and chloroplast thykaloids. |
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Term
What is structurally beneficial about the infoldings of the prokaryote's plasma membrane? |
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Definition
They allow for more surface area, which increases efficiency. |
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Term
Through what process do prokaryotes replicate themselves? |
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Definition
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Term
What are the steps involved in binary fission? |
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Definition
Chromosome replication and cell division. |
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Term
Can Prokaryotes be diploid? Why or why not? |
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Definition
No, because they only have one chromosome, so they can only have one allele for a gene. |
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Term
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Definition
An inert cell formed inside a metabolically active bacteria cell that is capable of withstanding extreme conditions. |
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Term
How is an endospore activated? |
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Definition
Rehydration in a favorable environment |
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Term
True or false: Because prokaryotes are asexual, they do not have tremendous diversity. |
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Definition
False: Although prokaryotes are asexual, they have tremendous diversity. |
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Term
What are the means through which prokaryotes have tremendous genetic diversity? |
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Definition
- Rapid reproduction and mutation. - Genetic recombination. |
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Term
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Definition
The combining of DNA from two sources. |
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Term
What are the forms of genetic recombination? |
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Definition
Transformation, transduction and conugation. |
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Term
What is the structure with which genetic recombination occurs? |
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Definition
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Term
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Definition
Small circular DNA strand with a few genes. |
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Term
What does the Plasmid do? |
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Definition
Replicates independently and exchanges with other genes. |
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Term
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Definition
Separated from the chromosome. |
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Term
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Definition
Takes in genes from environment. |
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Term
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Definition
Genes from bacteriophage virus. |
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Term
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Definition
Exchange between bacterial cells. |
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Term
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Definition
Carbon source is inorganic. |
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Term
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Definition
Carbon source is organic. |
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Term
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Definition
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Term
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Definition
Uses O2 if available, but can use other electron acceptors. |
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Term
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Definition
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Term
True or false: prokaryotes have huge metabolic diversity. |
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Definition
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Term
What are the two types of autotrophs? |
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Definition
Photoautotrophs and Chemoautotrophs. |
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Term
What are the two types of Heterotrophs? |
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Definition
Photoheterotrophs and Chemoheterotrophs. |
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Term
What is the energy source of a photoautotroph? |
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Definition
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Term
What is the carbon source of photoautotrophs? |
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Definition
CO2, HCO3- or related inorganic compounds. |
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Term
What is the energy source of a chemoautotroph? |
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Definition
Inorganic chemicals such as H2S, NH3 or Fe2+. |
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Term
What is the carbon source of a chemoautotroph? |
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Definition
CO2, HCO3- or related inorganic compound. |
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Term
What is the energy source of a photoheterotroph? |
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Definition
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Term
What is the carbon source of a photoheterotroph? |
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Definition
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Term
What is the energy source of a chemoheterotroph? |
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Definition
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Term
What is the carbon source of a chemoheterotroph? |
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Definition
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Term
What are the the extremes of Archaea? |
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Definition
- Extreme Halophiles - Extreme Theromophiles |
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Term
Extreme Halophiles live in... |
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Definition
high salinity environments. |
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Term
Extreme Thermophiles live in... |
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Definition
high temperature environments. |
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Term
What is a type of Archaea that live in a more moderate environment? |
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Definition
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Term
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Definition
Methane in anoxic environments as a byproduct of energy production. |
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Term
Methanogens are found where? |
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Definition
In wetlands and the intestines of some animals, including humans. |
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Term
True or false: much remains unknown about archaea. |
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Definition
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