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Exam (elaborations)

MCB3020 Exam 1 USF Questions And Answers

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  • Course
  • MCB 3020
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  • MCB 3020

Most prokaryotes require water availability (aw) to be greater then? ~ aw>0.91 Aquaporins ~ channel proteins that facilitate the passage of water (protect against osmotic stress) Halophiles ~ salt loving mechanosensitive channels ~ pressure sensitive channels that leak solutes from ...

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  • August 8, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MCB 3020
  • MCB 3020
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MCB3020 Exam 1 USF
Questions And Answers

What is Robert Hooke known for?


✓~ He is the first person to see a cell. Also Helped construct the first microscope.




What is Antonie van Leeuwenhoek known for?


✓~ Made His own Microscope (Single-lens), Observations also published by the

Royal Society.




Malpighi and Odierna


✓~ Published two volumes of microscopic observations of the human excretory

system in the Royal Society




spontaneous generation


✓~ the mistaken idea that living things arise from nonliving sources




Which scientist's sought to debase spontaneous generation?

, ✓~ Redi and Pasteur




Francesco Redi


✓~ This scientist disproved spontaneous generation by showing that maggots do

not spontaneously arise from decaying meat.




Louis Pasteur


✓~ A French chemist, this man discovered that heat could kill bacteria that

otherwise spoiled liquids including milk, wine, and beer. (Swan neck experiments)




Robert Koch


✓~ Debased miasma theory of disease causation




Miasma Theory of Disease


✓~ a discredited theory in which 'bad air' was accepted as the cause of diseases.




What are the three domains?


✓~ Bacteria, Archaea, Eukarya

, Traits shared by all domains of life


✓~ dsDNA, RNA pol, Protein domains, aqueous cytosol




Traits that differ between domains


✓~ Size, Metabolism, gene orientation, chromosome, multicellularity




What are the microbial eukaryotes


✓~ Protozoa, Fungi, Algae




Lynn Margulis


✓~ Developed the Endosymbiotic Theory.




Endosymbiosis


✓~ A theorized process in which early eukaryotic cells were formed from simpler

prokaryotes.




Viruses


✓~ Considered by scientists to be Non-living particles

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