Streak plate techniques - Study guides, Class notes & Summaries

MCB2010 Lab Final Exam Question and Answers | 100% Correct Magnification -Answer-The creation of a larger-than-life image Which part of the flame of a Bunsen burner is used for sterilization of inoculating tools? A) The tip of the inner cone B) The tip of the outer cone -Answer-A) The tip of the inner cone What was Dr. Casadaban's assumptions that proved to be fatal? -Answer-1. That the weakened form of the bacterium used in his experiments would never cause disease 2. That occasional sa...

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 ...

Microbiology EXAM 1 (Chapters 1,3,4 and 6) Questions With Complete Answers. microobiology The study of organisms too small to be seen with the naked eye is _______ viruses, bacteria, algae, protozoa, fungi and helminths What are the six major groups of microorganisms? 3.5 billion years ago Single celled organisms arose ______ million years ago and have been shaping our earth ever since Eukaryotes = have a true nucleus (include protozoa, fungi, plants and animals) Prokaryotes= lack a tr...

Microbiology Lab Exam 1 Study Guide | With Complete Questions & Answers (Graded A+) Microbiology Lab Exam 1 Study Guide | With Complete Questions & Answers (Graded A+) What are the three terms used to describe growth in a broth tube? - ANSWER - Turbidity is the term used to characterize the visible growth within a broth culture. Surface growth is the growth at the meniscus of the broth culture. Sediment is the term used to describe the presence of precipitate, usually dead or non-motile cell...

Microbiology LAB Exam #1 – Questions & Answers (100% C0rrect) Microbiology LAB Exam #1 – Questions & Answers (100% C0rrect) Convert Celsius to Fahrenheit - ANSWER - F = (9xC)/5 +32 = How many decimel places, to the right of base - ANSWER - Six places --- .000 000 nm= How many decimel places, to the right of base - ANSWER - Nine places --- .000 000 000 6.02x 10 = moving the decimel over how many spaces? - ANSWER - 23 Compare and contrast these three techniques by where bacteria ...

Study Guide for the lab practical of Professor Nena Hewette; Covers the following: Laboratory safety rules Proper waste disposal The difference among sabouraud agar, nutrient agar, and enriched agar Know the different forms of media The importance of handwashing The parts of a microscope How to care for and use a microscope Look at a plate and determine if aseptic transfer techniques were used. Identify morphology Determine colony characteristics Interpret a streak plate Determine t...

Microbiology EXAM 1 (Chapters 1,3,4 and 6) Questions With Complete Answers. microobiology The study of organisms too small to be seen with the naked eye is _______ viruses, bacteria, algae, protozoa, fungi and helminths What are the six major groups of microorganisms? 3.5 billion years ago Single celled organisms arose ______ million years ago and have been shaping our earth ever since Eukaryotes = have a true nucleus (include protozoa, fungi, plants and animals) Prokaryotes= lack a tr...

Objective: Microscopic examination of bacterial samples through various staining techniques. Identify color and shape of given samples. Procedure: Dry Mount 1. Clean Slide (70% ethanol) 2. Circle area on slide for easy location of specimen (optional) 3. Apply organism to slide: a. If from culture, use sterile loop to spread onto slide b. If from plate, use sterile loop to pick colonies and mix with a drop of distilled water 4. Air dry at room temperature until all moisture has evaporat...

Portage Learning BIO 171- Microbiology Lab Notebook Study guide Lab 1 Notebook Title: KD01 Introduction to medical microbiology & lab notebook procedures Course Objectives: Cultivation of samples: growth conditions and equipment used Identification of samples: biochemical assays & tests available Evaluation of samples: microscopy- visualization and key characteristics of specimens Basic Equipment: Cleaning: Autoclave 125°C- uses heat, pressure, & steam...

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: In this laboratory exercise, colonies from mixtures of Escherichia coli and Serratia marcescens will be isolated using the four-way streak method as summarized below (Figure 1). We will need this image from Materials: A 24 hour nutrient broth mixture of Serratia marsecens ...