Inoculum - Study guides, Class notes & Summaries
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PCA - Plant Pathogens Exam Questions With 100% Correct Answers
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PCA - Plant Pathogens Exam Questions With 
100% Correct Answers 
plant pathogens can be - answera factor in integrated pest management for controlling insects 
and mites 
powdery mildews are caused by - answerfunguses 
which of the following is a sign of a disease - answerwhite mycelium on twigs and fruit 
some abiotic factors that cause plant disease are - answerair pollutants 
which of the following biotic factors contribute to plant diesease - answerviroids and viruses 
a non obliate parasite...
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PCA - Plant Pathogens Exam Questions With 100% Correct Answers
- Exam (elaborations) • 6 pages • 2024 Popular
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PCA - Plant Pathogens Exam Questions With 
100% Correct Answers 
plant pathogens can be - answera factor in integrated pest management for controlling insects 
and mites 
powdery mildews are caused by - answerfunguses 
which of the following is a sign of a disease - answerwhite mycelium on twigs and fruit 
some abiotic factors that cause plant disease are - answerair pollutants 
which of the following biotic factors contribute to plant diesease - answerviroids and viruses 
a non obliate parasite...
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Lab 2 Culturing & Aseptic Technique BIO250L/ 2024 Update. 100% Accurate Answers.
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Lab 2 Culturing & Aseptic Technique BIO250L 
Student Name: 
Access Code (located on the lid of your lab kit: 
Lab Report Format Expectations 
Utilize college level grammar and professional formatting when completing this worksheet. 
Submissions without proper formatting, all required photos or sufficient responses will be rejected. 
Pre-lab Questions 
1. This lab includes two experiments that each look at different aspects of culturing 
microorganisms onto growth media. What concepts does each ...
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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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BIOL 2460 Exam 3 Questions and Answers
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4 basic steps of bacterial reproduction 
Ans- 1. growth of cell size & increase in cell components 
2. replication of DNA 
3. division of the cytoplasm (cytokineses) 
4. septum formation and division of daughter cells 
generation time 
Ans- time takes to double population 
E. coli generation time 
Ans- 20 minutes 
B. subtilis generation time 
Ans- 120 min 
S. aureus generation time 
Ans- 30 min. 
M.tuberculosis generation time 
Ans- 15-20 hrs 
closed cultures have ___ resources 
Ans- infinite 
c...
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UTA Microbiology Exam 3 Questions and Answers Already Passed
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UTA Microbiology Exam 3 Questions and 
 
Answers Already Passed 
 
4 Basic Steps of binary fission 1. Growth of cell size 
2. Replication of DNA 
3. Division of cytoplasm 
4. Septum formation & cell division 
 
Z Ring Assembly FtsZ assembles Z ring to form divisome 
 
Generation Time time it takes to double the population 
 
Lag Phase Cells adjust to culture medium; no change in population 
 
What factors determine the duration of the lag phase? Genetic makeup, media composition, 
initial inocul...
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UTA Micro 2460 Chapter 9 Questions and Answers
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Binary Fission - Answer-Most common form of bacterial reproduction 
Binary Fission 
4Basic Steps - Answer-1.Growth of cell size and increase in cell components 
2.Replication of DNA 
3.Division of the cytoplasm (cytokinesis) 
4.Septum formation and division of daughter cells 
Z ring Assembly - Answer-•Cytokinesis is directed by FtsZ protein 
•FtsZ assembles Z ring to form divisome 
•Divisome activates production of peptidoglycan and septum 
Generation Time - Answer-•Generation Time (Doub...
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BIOL 2420 Lab Practical 1 (Questions & Answers) Rated 100%
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Why is it important as a beginning microbiologist to appreciate the ubiquity of microorganisms when 
working in a microbiology lab and trying to maintain aseptic technique? - .To be aware that 
microorganisms are everywhere and can very easily contaminate your cultures 
Identify where you would place the culture in the following scenario: 
You inoculated a broth with E. coli in lab and want to grow the culture for 48 hours and will check on the 
culture during the next lab period. - 37 degrees C...
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MICR 4423 test 1 Questions with Complete Solutions
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what are the essential features of an antibiotic? Correct Answer-1. must kill/stop growth of bacteria 
2. does not harm the host 
 
is aspirin an antibiotic? why or why not? Correct Answer-no because it does not kill/stop growth of bacteria 
 
is bleach an antibiotic? why or why not? Correct Answer-no because it harms the host 
 
what are the practical features of an antibiotic? Correct Answer--shelf life 
-potency 
-ability to make enough/synthesize 
-economically availible 
-bioavailible 
 
wh...
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BIOS 242 Week 1 Assignment; Lab 2 of 14 Onsite - Isolation of Pure Cultures
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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 ...
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