Streak plates - Study guides, Class notes & Summaries

Natural Event Geological or atmospheric processes involving the release of energy and has nothing to do with people. Geological is due to the hot interior of the Earth and can be expressed as volcanoes. Atmospheric type of energy is the product of solar energy which can be expressed as tornadoes. Characteristics of a Natural Disaster (5) geological, atmospheric, magnitude, frequency, duration, areal extent Recurrence interval time between same sized events (150 years) frequency 1/recurrenc...

Biol 1020 lab final Exam and A+ Answers Liquid media used to increase the number of microorganisms. - Broth Solid media used to isolate microbes - agar plate Normal flora bacteria used for studies involving osmotic pressure, antibiotic resistance, and biofilms. - S. epidermidis Clump of genetically identical microorganisms. - colony forming unit Single-celled fungi used for studies involving fermentation, genetics, and aging. - S. cerevisiae instrument used for spreading microorganis...

Microbiology Lab Final Exam Questions and Answers 100% Pass What does a pure culture contain? A single type of microorganism. Why is the inoculating loop sterilized before use? To eliminate any contaminating organisms. What is the first step in preparing a bacterial smear? Applying a small drop of water to the slide. What does the acid-fast stain detect? Bacteria with waxy cell walls, such as Mycobacterium. What is the purpose of incubation in bacterial culture growth? T...

1. Proper aseptic technique is crucial to ensuring growth of pure bacterial colonies. What is one experimental way you can test your practices to confirm that you are using proper aseptic technique?This could be done by having a control agar plate where sterile loop was used to streak the agar. If it grows bacterial colonies after some time, then aseptic technique was not successful. 2. In a laboratory setting, what are three ways you can properly sterilize culturing equipment? a. Dry hea...

BIOD 171 Portage Learning Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 UpdatePortage Learning BIOD 171 Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 Update True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 1. What is the smallest biological unit of life? A cell. ...

MCB 2610 Lab Quiz Questions and answers correctly solved 2024/2025 MCB 2610 Lab Quiz Questions What 4 things must always be done before leaving lab (in order)? - correct answer 1) Dispose of all cultures and plates in the appropriate containers 2) Clean your bench with Wescodyne 3) Take off and put away your lab coat 4) Wash your hands for at least 20 seconds with soap and water Where are plates disposed of? - correct answer Gray garbage cans by the door Where are test tubes an...

MCB 2610 Lab final Question and answers already passed 2024/2025 MCB 2610 Lab final The ______ _______ method is a quick and easy way to isolate bacteria - correct answer streak plate In what orientation do you incubate the plates after they have been streaked? - correct answer agar half bottom What must you do to the loop before every use? - correct answer flame it T/F: The last thing you do before leaving the lab is take off your lab coat - correct answer false streak...

Microbio 150 Lab Exam 1 PVCC Questions and Answers Already Passed What is the primary purpose of performing a Gram stain in the lab? To classify bacteria as Gram-positive or Gram-negative based on their cell wall structure. What is the name of the dye used as the primary stain in the Gram staining process? Crystal violet. What is the function of the mordant in the Gram stain procedure? To fix the crystal violet dye to the bacterial cell wall. What is the counterstain used in the ...

silicates - minerals that contain silicon and oxygen and usually one or more other elements, are one of the largest groups of minerals oxides - compounds that have oxygen as their anion, t ut they exclude those with oxygen complexes such as carbonate, suphate, and silicate. have O2 as their anion, Ways rocks may form - Igneous: forms from magma that has either cooled slowly under ground or cooled quickly at the surface after a volcanic eruption Sedimentary rocks: formed when weathered frag...

Microbiology Lab: Written Exam 1 Questions and Answers Rated A+ What is the function of the ocular lens in a microscope? To magnify the image formed by the objective lens. Why is aseptic technique important in a microbiology lab? To prevent contamination of the culture and the environment. What is the role of agar in culture media? It provides a solid surface for microbial growth. Why is immersion oil used with a 100x objective lens? To reduce light refraction and improve re...