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Question about Domain Archaea and Bacteria

Biology

Originais Teachy

Domain Archaea and Bacteria

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(Originais Teachy 2023) - Question Medium of Biology

Imagine you are a microbiologist studying a newly discovered single-celled organism found in a hot spring. The organism thrives in high temperature conditions, and you suspect it might belong to the domain Archaea, which is known for its extremophiles. However, it could also be a member of the domain Bacteria, which also contains some thermophilic organisms. Based on these observations, what kind of tests or characteristics would you examine to accurately classify this organism into the correct domain?
a.
By observing the organism's color, size, and shape, and by conducting a simple taste test, we can accurately classify the organism into the correct domain.
b.
By conducting tests to determine the composition of the cell wall, examining the structure of the membrane lipids, checking for the presence of introns, analyzing the ribosomal RNA sequences, and looking for unique metabolic pathways, we can accurately classify the organism into the correct domain.
c.
By conducting tests to determine the organism's resistance to antibiotics, examining its ability to cause disease, and checking for the presence of a nucleus, we can accurately classify the organism into the correct domain.
d.
By conducting tests to determine the organism's ability to survive in different environments, examining its ability to reproduce, and checking for the presence of mitochondria, we can accurately classify the organism into the correct domain.
e.
By conducting tests to determine the organism's ability to photosynthesize, examining its ability to move, and checking for the presence of chloroplasts, we can accurately classify the organism into the correct domain.

Answer:

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