Streak plates - Study guides, Class notes & Summaries

FINAL EXAM: MCB 2610 Lab final Exam with Certified Solutions The ______ _______ method is a quick and easy way to isolate bacteria CORRECT ANSstreak plate In what orientation do you incubate the plates after they have been streaked? CORRECT ANS-agar half bottom

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...

BIOS 242 Week 1 Assignment; Lab 2 of 14 Onsite - Isolation of Pure Cultures Lab 2: Techniques for Isolation of Pure Cultures Learning Objectives: Isolate pure cultures from a mixed population of microorganisms using aseptic technique. Learn the streak plate method Introduction: Microorganisms exist in nature as mixed populations of different species. In order to study them and observe their characteristics it is first necessary to obtain pure cultures (a culture ...

combinations of multiple microbial species in a lab setting - ANS mixed culture cultures that contain only one species of microbe are absolutely required when characterizing cell structure, biochemistry, physiology, growth parameters, genetics, or other features - ANS pure culture pure cultures can become ________ __________ when unwanted microbes are introduced through sloppy aseptic technique, inadequate sterilization, improper storage, or mixed microbial stocks - A...

Why do you inoculate plates and tubes near the Bunsen burner? - ️️prevent airborne contamination Where are plates disposed of? - ️️Gray garbage cans by the door Where are test tubes and caps disposed of? - ️️Waste buckets under sink Where are slides and toothpicks disposed of? - ️️Sharps What first action should be taken for every spill? - ️️Tell a TA The ___ method is a quick and easy way to isolate bacteria. - ️️T-streak How many times do you get culture from the...

What is the goal of a quadrant streak? correct answers The goal is to obtain individual colonies from a bacteria culture. This is the ideal for experimentation because the colonies are genetically identical. What is the reason for water on the sterile cotton swab when performing the environmental source plate? correct answers It allows certain things from the environment to stick to it. Which objective uses immersion oil? correct answers 100x objective What does numerical aperture stand...

Growth CORRECT ANSWER Refers to an increase in cell number Discrete colony CORRECT ANSWER Aggregation of cells visible on surface of solid media Dispersed cells CORRECT ANSWER Single cells suspended in liquid medium Complex biofilm CORRECT ANSWER Community of one or more species of bacteria Clinical specimens CORRECT ANSWER Human materials examined or tested for presence of bacteria and other microbes Considerations of clinical specimens CORRECT ANSWER Technique, timely delivery, ...

Student Name: Ashley Anderson. Access Code (located on the underside of the lid of your lab kit): AC-VRIKUTP. Pre-Lab Questions 1. What is the difference between chemically defined and chemically complex media? Give either a clinical or environmental research example for which each media type would be the most appropriate choice for culturing microorganisms. Chemically defined media is media where the exact chemical compositions are known and made with purified ingredients. This type of...

MCB 2610 Lab Practical 3 Question and answers verified to pass 2024/2025 MCB 2610 Lab Practical 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 on top what must you do to the loop before every use? - correct answer flame sterilize your loop T/F: The last thing you do before leaving the lab is take off your lab coat - correct...

Lab 2: Techniques for Isolation of Pure Cultures Learning Objectives:  Isolate pure cultures from a mixed population of microorganisms using aseptic technique.  Learn the streak plate method VIDEO:  Making a streak Plate (Bio-Rad Laboratories) Introduction: Microorganisms exist in nature as mixed populations of different species. In order to study them and observe their characteristics it is first necessary to obtain pure cultures (a culture containing only one species of an o...