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Microbiology 250 Exam 1 Questions with Complete Solutions. Verified for New updates $7.99   Add to cart

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Microbiology 250 Exam 1 Questions with Complete Solutions. Verified for New updates

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  • Course
  • Microbiology 250
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  • Microbiology 250

Microbiology - -study of microbes List groups of organisms studied in microbiology: - -bacteria, fungus, algae/protists, viruses, helminthes Differences between Prokaryotic and Eukaryotic cells: - -Prokaryotic -no nucleus -no membrane bound organelles Eukaryotic -true nucleus -has membrane bo...

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  • September 1, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Microbiology 250
  • Microbiology 250
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masigabethwel
Microbiology 250 Exam 1 Questions with Complete
Solutions. Verified for New updates

Microbiology - -✓study of microbes



List groups of organisms studied in microbiology: - -✓bacteria, fungus, algae/protists, viruses, helminthes



Differences between Prokaryotic and Eukaryotic cells: - -✓Prokaryotic

-no nucleus

-no membrane bound organelles



Eukaryotic

-true nucleus

-has membrane bound organelles



Animalae - -✓are not green, move



Evolution of microbial life on earth: - -✓No oxygen in early earthly era, bacteria have been around as
dominant life forms for a long time (3.5 billion years ago), Endosymbiosis



Coccus - -✓circular shapes



baccilus - -✓rod shaped



spirillum - -✓mutliple bends, appears spiral shaped



diplo - -✓twos

, strepto - -✓chains



staphylo - -✓clusters



cytoplasm - -✓contains ribosomes, DNA - mixture of water, nutrients, proteins



nucleoid - -✓acts as nucleus - contains DNA, RNA, proteins



inclusion bodies - -✓granules for storage of extra carbon, nitrogen, phosphorus - energy sources



endospores - -✓DNA surrounded by proteins that protects central core of bacteria, protects bacteria:
resistant to heat, dessication, and chemicals



cytoskeleton - -✓protein filaments assist with cell growth and division - binary fission



plasma membrane - -✓phospholipid bilayer with polar heads and hydrophilic tails



facilitated diffusion - -✓protein helps move molecules from higher concentration to lower concentration



simple diffusion - -✓moves molecules from higher concentration to lower concentration naturally, no
energy



osmosis - -✓movement of water from high concentration to low concentration



plantae - -✓do not move, green



protists - -✓everything that does not fit into animalae and plantae

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