Biol 242 - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Biol 242? On this page you'll find 91 study documents about Biol 242.
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USU HUMAN PHYSIOLOGY FINAL (BIOL 2420) COMPLETE EXAM PRACTICE QUESTIONS AND ANSWERS
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USU HUMAN PHYSIOLOGY FINAL (BIOL 2420) 
COMPLETE EXAM PRACTICE QUESTIONS AND ANSWERS 
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BIOL 2420 - EXAM 3 STUDY QUESTIONS AND CORRECT ANSWERS
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What structures in the middle ear are responsible for sound amplification? the tympanic membrane that vibrates through 3 ear bones that end at oval window. tympanic membrane is bigger compared to oval window 
What is the function of and clinical complication associated with the Eustachian tube? links the middle ear to the back of the nose 
Drains into the mouth to equilibrate pressure 
Route of bacterial entry for most ear infections 
What inner ear structure converts sounds waves into APs? coch...
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BIOL 2420 Lab Practical 1 Test Questions and Correct Answers
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What is the single most important way to reduce the spread of unwanted microbes? handwashing 
Where and how should used media (culture tubes and plates) be disposed of? directly into bio hazard bin 
Where and how should a slide prepared by you (ex: Gram stain) be disposed of? Wrapped in a paper towel and disposed into the biohazard bin 
Where should gloves worn by you (after lab, not cleaning up a spill) be disposed of? in the regular trash can 
Where should a broken stock slide (ex: 3 forms sli...
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BIOL 2420 EXAM #1 Questions And Answers
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BIOL 2420 EXAM #1 Questions And Answers 
Microbes - ANS minute living things that are too small to be seen with the unaided eye; include bacteria, fungi, protozoa, microscopic algae, and viruses 
 
Benefits of Microorganisms - ANS basis of food chains in marine & freshwater environments; decomposers; important role in photosynthesis; digestion in human intestine; synthesis of Vitamin B and Vitamin K; synthesize food & alcohol 
 
Pathogenic - ANS disease producing 
 
Bacteria - ANS...
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BIOL 2420 FINAL (exam 1) PRACTICE QUESTIONS AND CORRECT ANSWERS
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e. smog production Microorganisms are involved in each of the following processes EXCEPT: a. infection b. decomposition of organic material c. oxygen production d. food production e. smog production 
e. using a sterile liquid and eliminating exposure to microorganisms If you were setting up an experiment to disprove spontaneous in a liquid medium, which of the following would be essential to the experiment? a. placing decaying meat in the liquid b. starting with a liquid that contains microorgan...
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BIOL 2420 Exam 3 – SLCC Questions and Answers 2024-2025
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BIOL 2420 Exam 3 – SLCC Questions and Answers
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Biol 2420 Exam 1 Study Questions and Correct Answers
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Coccus (cocci) Round, berry shaped, can be oval, pointed, or kidney-shaped 
Bacillus (bacilli) Rod-shaped, can be pointed or filamentous 
Spirilla Spirilla, spirochetes, or vibrios 
Pleomorphic Vary in shape and size and do not have a cell wall. Difficult to treat because without a cell wall, a gram stain can't be done, so difficult to predict what antibiotic to use for treatment. 
Diplococci Cocci that remain attached 
Streptococci Long chains of cocci 
Tetrads Cocci that divides in 2 planes a...
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Clark SHSU BIOL 2420 Exam 1 Practice Questions and Correct Answers
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Leuwenhoek Microscopes, animalcules 
2 fundamental cell types Prokaryotic Eukaryotic 
Prokaryotic cells BACTERIA & ARCHAEA smaller size gives high surface to low volume, facilitates rapid uptake of nutrients cons: vulnerability to predators, parasites, and competitors 
Eukaryotic Larger, more complex, many cellular processes take place in membrane bound components precense of nucleus 
bacteria and archea lack nucleus found in sufficient moisture, some in extreme environments asexual peptidoglyca...
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LAB PRACTICAL 1 - BIOL 2420 QUESTIONS AND CORRECT ANSWERS
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Define ubiquity of microorganisms. Basically that microorganisms can be found/grown anywhere in almost every type of environment 
GloGerm activity purpose to train you to wash your hands more thoroughly/effectively; shows that hand washing with soap is not enough to remove all microbes 
How do you focus a microscope? 4x (scanning) - coarse knob - red ring 10x (low) - fine knob - blue ring 40x (high) - fine knob - yellow ring 100x (immersion oil) - fine knob - black/white rings 
When do you use i...
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BIOL 2420 Exam 1 Practice Questions and Correct Answers
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What is physiology? Study of function 
What was Aristotle's contribution to physiology? He believed that large structures were made of smaller things, and coined the term physiologi to describe natural causes for diseases 
What did Hooke do? He made a 30x microscope, He was the first to see and name cells 
What is the body's structural hierarchy? Can you list the organization from smallest to largest units? Atoms, molecules, organelles, cells(first living!), tissues, organs, organ systems, org...
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