Exam 1 - Microbiology - BIO 250 questions with answers

Exam 1 - Microbiology - BIO 250
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questions with answers \| \|




Microbiology - CORRECT ANSWERS ✔✔study of microbes
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List groups of organisms studied in microbiology: - CORRECT ANSWERS
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✔✔bacteria, fungus, algae/protists, viruses, helminthes
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Differences between Prokaryotic and Eukaryotic cells: - CORRECT
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ANSWERS ✔✔Prokaryotic \|




-no nucleus
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-no membrane bound organelles
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Eukaryotic

-true nucleus \|




-has membrane bound organelles
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Animalae - CORRECT ANSWERS ✔✔are not green, move
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Evolution of microbial life on earth: - CORRECT ANSWERS ✔✔No oxygen in
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early earthly era, bacteria have been around as dominant life forms for a long
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time (3.5 billion years ago), Endosymbiosis
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, Coccus - CORRECT ANSWERS ✔✔circular shapes
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baccilus - CORRECT ANSWERS ✔✔rod shaped
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spirillum - CORRECT ANSWERS ✔✔mutliple bends, appears spiral shaped
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diplo - CORRECT ANSWERS ✔✔twos
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strepto - CORRECT ANSWERS ✔✔chains
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staphylo - CORRECT ANSWERS ✔✔clusters
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cytoplasm - CORRECT ANSWERS ✔✔contains ribosomes, DNA - mixture of
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water, nutrients, proteins
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nucleoid - CORRECT ANSWERS ✔✔acts as nucleus - contains DNA, RNA,
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proteins



inclusion bodies - CORRECT ANSWERS ✔✔granules for storage of extra
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carbon, nitrogen, phosphorus - energy sources
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endospores - CORRECT ANSWERS ✔✔DNA surrounded by proteins that
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protects central core of bacteria, protects bacteria: resistant to heat,
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dessication, and chemicals \| \|