Microbiology lab stuvia - Study guides, Class notes & Summaries
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Microbiology LAB Exam #1| 100 Questions With Correct Answers
- Exam (elaborations) • 10 pages • 2023
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Microscope- The Condenser - ANSWERSfocuses the light ging into the objective lens 
 
Microscope- The Iris Diaphragm - ANSWERSadjusts the amount of light going into the objective lens 
 
Microscope- Nosepiece - ANSWERSholds the objective lenses and rotates to change from one objective to another 
 
Microscope- Coarse Objective Knob - ANSWERSmoves the stage larger distances to help get the object in focus 
 
Microscope- Fine Adjustment Knob - ANSWERSmoves the stage smaler increments to help get th...
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Microbiology LAB Exam #1| 100 Questions With Correct Answers
- Exam (elaborations) • 10 pages • 2023
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Microscope- The Condenser - ANSWERSfocuses the light ging into the objective lens 
 
Microscope- The Iris Diaphragm - ANSWERSadjusts the amount of light going into the objective lens 
 
Microscope- Nosepiece - ANSWERSholds the objective lenses and rotates to change from one objective to another 
 
Microscope- Coarse Objective Knob - ANSWERSmoves the stage larger distances to help get the object in focus 
 
Microscope- Fine Adjustment Knob - ANSWERSmoves the stage smaler increments to help get th...
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Microbiology Lab Exam 1 Study Guide | With Complete Questions and Answers (Graded A+)
- Exam (elaborations) • 7 pages • 2023
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If an autoclave is working properly what color will the BTsure vial be after a 15min autoclave cycle? - ANSWER - Purple 
 
How do you use and Enteropluri tube? - ANSWER - Read the positive agar windows and circle the corresponding numbers. Add up each grouping of numbers to obtain a 5 digit biocode. Look up the biocode and find your unknown bacteria. 
 
What is the difference between a pure culture and a mixed culture? - ANSWER - A pure culture contains a single bacteria and will present itself ...
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Microbiology Lab Exam 1 Questions & Answers (Graded A+)
- Exam (elaborations) • 9 pages • 2023
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Oral consumption (eating, drinking, applying chap stick) is permitted in the microbiology lab - ANSWERSunder no circumstances. 
 
When is it okay to touch one's face/eyes/mouth/nose in the microbiology lab? - ANSWERSIt's never okay. 
 
What is the very first thing you should do when you enter the lab? - ANSWERSDisinfect your bench. 
 
What is the very last thing you should do before leaving the microbiology lab? - ANSWERSWash your hands. 
 
When working with hazardous chemicals and/or live mic...
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Microbiology lab practical exam 1 Correct 100%
- Exam (elaborations) • 5 pages • 2023
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Wet mount steps: - ANSWERS 
2. specimen 
3. Cover slip over specimen 
 
hanging drop steps: - ANSWERS1. Vaseline around cover slip 
2. micro organism in center of cover slip 
3. place concave slide on cover slip 
 
Gram stain steps: - ANSWERS1. Crystal Violet 
 2. Gram's Iodine 
3. Ethyl Alcohol 
4. Safranin Red 
 
negative stain steps: - ANSWERS1. nigrosin 
 loop 
ria 
4. slide to spread mixture 
5. air dry 
 
acid-fast stain steps: - ANSWERS1. carbolfuchsin 
2. acid alcohol 
3. methyle...
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Microbiology Lab Exam 1| 125 Questions With Accurate Answers Correct 100%
- Exam (elaborations) • 14 pages • 2023
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What is the purpose of a streak plate? - ANSWERS1) To separate cells so that they grow to form isolated colonies 2) To confirm if a culture is a pure colony or mixed 3) To confirm is there is contamination in your culture 
 
What is a colony? - ANSWERSAreas of growth that arise from a single cell. 
 
How do colonies form? - ANSWERSThey are formed by spreading out cells. Cells are spread and reproduce over and over again through bionary fission until visable mass of cells appear. 
 
What is a pur...
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Straighterline Microbiology Lab BIO250L Lab 3 Structure & Microscopy (New Version Updated)
- Exam (elaborations) • 13 pages • 2024
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Straighterline Microbiology Lab BIO250L Lab 3 Structure & Microscopy 
(New Version Updated)
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Microbiology lab practical exam 1 Questions & Answers (VERIFIED)
- Exam (elaborations) • 5 pages • 2023
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Wet mount steps: - ANSWERS 
2. specimen 
3. Cover slip over specimen 
 
hanging drop steps: - ANSWERS1. Vaseline around cover slip 
2. micro organism in center of cover slip 
3. place concave slide on cover slip 
 
Gram stain steps: - ANSWERS1. Crystal Violet 
 2. Gram's Iodine 
3. Ethyl Alcohol 
4. Safranin Red 
 
negative stain steps: - ANSWERS1. nigrosin 
 loop 
ria 
4. slide to spread mixture 
5. air dry 
 
acid-fast stain steps: - ANSWERS1
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Microbiology LAB EXAM 1 Questions & Answers Correct 100%
- Exam (elaborations) • 4 pages • 2023
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Amoeba proteus - ANSWERSKingdom: Protista 
Subkingdom: Protozoa 
Eukaryotic 
 
Balantidium coli - ANSWERSKingdom: Protista 
Subkingdom: Protozoa 
Eukaryotic 
 
Plasmodium falciparum - ANSWERSKingdom: Protista 
Subkingdom: Protozoa 
Eukaryotic 
 
Trypanosoma brucei gambiense - ANSWERSKingdom: Protista 
Subkingdom: Protozoa 
Eukaryotic 
 
Trichomonas vaginalis - ANSWERSKingdom: ProtistaBalantidium coli - ANSWERSKingdom: Protista 
Subkingdom: Protozoa 
Eukaryotic 
 
 
Balantidium coli - ANSWERSKing...
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Microbiology Lab Exam 1 Questions & Answers(SCORED A+)
- Exam (elaborations) • 5 pages • 2023
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when viewing a smear with the oil immersion lens the final magnification is - ANSWERS1000x;10x ocular x 100X objective 
 
what is the purpose of heat fixing - ANSWERSkill the bacteria, adhere to glass anddenature the proteins of bacteria 
 
name oneof the stains or regents used in the gram stain procedure - ANSWERSgram crystal violet, gram iodine, gram sfaranin, 95% ethanol 
 
why are aseptic techniques used in the lab? - ANSWERSto ensure that we do not contaminate what we are working with as as...
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