Streak plate Study guides, Class notes & Summaries
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BIOD 171 Portage Learning Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 Update
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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. ...
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Developing Human Clinically Embryology 9th Edition Moore Persaud - Test Bank
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Moore: The Developing Human, 9th Edition 
 
Chapter 01: Gametogenesis and Fertilization 
 
Test Bank 
 
MULTIPLE CHOICE 
 
Directions: Each group of questions below consists of a numbered list of descriptive words or phrases accompanied by a diagram with certain parts indicated by letters or by a list of lettered headings. For each numbered word or phrase, select the lettered part or heading that matches it correctly and then insert the letter in the space to the right of the appropriate number....
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BIO 250L Lab 2 Culturing & Aseptic Technique Straighterline 2023
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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...
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Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6
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Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 
 
Exams 
 
 
 
1. What are the two major types of nucleic acids and their roles? 
 
 
DNA- deoxyribonucleic acid RNA- Ribonucleic acid 
DNA- Cellular life has DNA and a role that DNA has is long-term storage of information, it holds the characteristics of living organisms. 
RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins 
 
 
 
 
 
 
 
 
 
 
 
 
Tru...
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Portage Learning BIOD 171 Lab Exams 1-8 Lecture Exams 2022
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Portage Learning 
BIOD 171 
Lab Exams 1-8 
Lecture Exams 2022 
Lecture Exams 
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. 
...
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MMBio 222 Lab Questions with Complete Solutions
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Objective of oil immersion lens Correct Answer-100X 
 
Resolving power becomes _____ as magnification of the objective lens _______ Correct Answer-Greater, increases 
 
The light microscope can distinguish two points that are at least _____ um apart Correct Answer-0.2 
 
What is used to sterilize heat sensitive liquids? Correct Answer-Filtration 
 
The streak plate technique uses spatial dilution (Increases the space b/t organisms) to create Correct Answer-pure colonies 
 
The component of MacCo...
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MCB 101 LON CAPA 2023 verified (UPDATED) Questions with complete solution
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MCB 101 LON CAPA 2023 verified (UPDATED) Questions with complete solution MCB 101: LON CAPA 2023 verified 
 
 
Streak Plate vs. Spread Plate For each statement, match it correctly with either Streak Plate or Spread Plate. 
 
Dilutes cells by mechanical separation. - correct answer Streak Plate 
 
Streak Plate vs. Spread Plate For each statement, match it correctly with either Streak Plate or Spread Plate. 
 
Dilutes cells prior to inoculating media. - correct answer Spread Plate 
 
Streak Plate ...
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Micro Lab Practical 2 questions and answers
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Streak plate 
To isolate colonies 
Colony selection 
To get a Pure Culture 
Gram stain 
to prove purity 
Broth subculture 
To provide fresh nutrients 
Biochemical testing 
To identify species 
Purpose of the Carbohydrate fermentation test 
To test the organisms ability to anaerobically use sugars to produce pyruvic acid from 
glycolysis, and eventually lactic acid OR lactic acid and carbon dioxide through 
fermentation pathways 
Purposed of the indole production test 
To test if the organism has...
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BIOS 242 Lab 1: Culture Transfer Techniques
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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...
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Straighterline Microbiology Midterm Review 100 Questions with Correct Answers 100% Verified
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Straighterline Microbiology Midterm Review 100 Questions with Correct Answers 100% Verified 
Agar is a complex polysaccharide that comes from a/an ___________. 
 
a. green plant 
b. fungus 
c. bacterium 
d. algae 
e. marine invertebrate - Correct Answers d. algae 
 
Using microbes to detoxify a site contaminated with heavy metals is an example of _________. 
 
a. biotechnology 
b. bioremediation 
c. decomposition 
d. immunology 
e. epidemiology - Correct Answers b. bioremediation 
 
The three ph...
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