NURSING EXAM QUESTIONS
MICROBIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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These bacteria look-alike are living fossil that are providing clue to the earliest forms of life on earth.
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Fungi
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Archaea
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Protista
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None of the above
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Explanation:
Detailed explanation-1: -Stromatolites are living fossils and the oldest living lifeforms on our planet. The name derives from the Greek, stroma, meaning “mattress”, and lithos, meaning “rock”. Stromatolite literally means “layered rock”.
Detailed explanation-2: -They were given the name ‘ancient living fossils’ because they stand for one of the first forms of life that first experimented with absorbing solar energy, survived in anaerobic environments, and developed strategies to oxidize compounds found in the substratum in the presence of oxygen.
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