Microbiology lab exam Study guides, Class notes & Summaries

BIOD 171 Essential Lab Microbiology Lab 1-9 Exam _ PORTAGE LEARNING Updated 2023

BIOD 171 Module 4 Exam (2 Versions, Latest-2022)/ BIOD171 Module 4 Exam / BIOD 171 Microbiology Module 4 Exam: Essential Microbiology W/ Lab: Portage Learning |Verified Q & A|

What was the purpose of this microscope laboratory experiment? - Answer to name the parts of a compound light microscope and their functions, learn the correct way to use the c.l.m what is the difference between magnification and resolution? - Answer magnification: uses special lenses to enlarge image of an object. resolution: separates or distinguishes structures to close together what is the purpose of placing immersion oil on the slide? - Answer prevents scattering of light ...

BIOD 171 Module 5 Exam (2 Versions, Latest-2022)/ BIOD171 Module 5 Exam / BIOD 171 Microbiology Module 5 Exam: Essential Microbiology W/ Lab: Portage Learning |Verified Q & A|

Portage Learning / BIOD 171 Microbiology Lab Exams 1>8 QUESTIONS & ANSWER 1. What three elements are used in an autoclave to sterilize equipment? heat, pressure, and steam 2. What is the minimum temperature an autoclave must be set at to achieve sterile condition? 125°C 3. If you are working in a lab in which an autoclave is not available, and you are pressed for time, which would you chose to best sterilize your equipment? Hot steam or hot air? Explain why you chose your answer. Ho...

Microbiology Lab Exam # 1 Questions and Answers Considering the cultures used to inoculate each medium in this exercise, how many different microbial types should you expect to see in/on each medium? (1.4) -Answer- You should only have 1 if using good sterile technique. A successful aseptic transfer will have only micrococcus lutes growth- this would be a pure culture You were asked to describe differences in appearance of growth in each culture, if present. In which medium was this the mo...

Microbiology Lab Exam 6 Questions with Complete Solutions rated A+ How are thermal death point and thermal death time different? - Thermal death point is the lowest temperature that kills all cells in a broth in 10 minutes. Thermal death time is the time required to completely sterilize a particular volume of liquid at a given temperature. Is moist heat more effective than dry heat? - Because of its ability to penetrate microbial cells, moist heat kills microogranisms by denaturing their p...

Microbiology Lab Exam Study Guide Rated A+ What color do Gram-Positive bacteria stain? Purple What color do Gram-Negative bacteria stain? Pink What are the 4 steps of a gram reaction? Primary stain crystal violet, mordant iodine, decolorizer alcohol-acetone, and counterstain safranin. What are some ways you could mess up a gram stain? And how will you know you messed up? a. Not heat fixing your slide - clear slide, b. over decolorizing - slide has both pink and purple even though the culture ...

BIOS 242 Fundamentals Of Microbiology With Lab (BIOS242) BIO 242 EXAM 3 2023/2024

hemically defined (synthetic) media Correct Answer: media composed of precisely defined chemicals elements that all bacteria need Correct Answer: carbon, nitrogen, phosphorus, sulfur, oxygen, and hydrogen minimal media Correct Answer: media that contains exact nutrients needed for growth and nothing extra - media is useful b/c we know exactly what's in it, but few organisms are resourceful enough to survive with only a few salts and sugars complex media Correct Answer: - it contains a...