Homework Answers
Aseptic transfer is the transferring living microbes from one plain to another without contamination of the culture, the sterile medium , or surroundings.
Inoculation method can affect syptom development ,typically , inoculation is performed via mechanical wounding or grafting.
E-coli on nutrient agar slant the growth will probably be white, clear or tan.
E-coli on nutrient broth the medium may be cloudy with bacteris may have settled on the bottom of the tube.
Micrococcus leuteus on nutrient agar slant individual yellow colour colonies obtained and is also water insoluble.
Micrococcus leuteus on nutrient broth secretes a proteineous
factor which promotes the resuscitation of dormant , non growing
cells to yeild normal colony forming bacteria.
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Common Aseptic Transfers and Inoculation Methods OBSERVATIONS AND INTERPRETATIONS Describe the appearance of growth on/in each...
Post Lab (Done after the completion of lab experiment) Results: Observations and interpretations Organism Transferred Was...
Post Lab (Done after the completion of lab experiment) Results: Observations and interpretations Organism Transferred Was transfer successful? / What is the medium evidence? Bawlus subtilis TSA yes, fuggy with film. over Aga Micrococcus luteus NB 1 yes, some bacteria visible Conclusions: • List 3 important aseptic techniques you practiced to avoid contamination during transfer. • In which medium, it was easy to spot contamination, solid or liquid? Why?
4-6 Eosin Methylene Blue Agar (Levine) OBSERVATIONS AND INTERPRETATIONS Refer to Table 4-6, page 268, when...
4-6 Eosin Methylene Blue Agar (Levine) OBSERVATIONS AND INTERPRETATIONS Refer to Table 4-6, page 268, when recording your results and interpretations in the table below. Use abbreviations or symbols as needed. Growth (N/P/G) EMBINA Organism EMB Growth Color (Pi/D/C) Interpretation and Presumptive ID QUESTIONS I in your own words, what is the application (purpose) of EMB agar? 2 Which ingredient(s) in EMB agar supply(ies) a. Carbon b. Nitrogen? ur choice and explana 3 Is EMB agar a defined or an...
Citrate Utilization Test OBSERVATIONS AND INTERPRETATIONS 1 Using Table 5-10, page 340, as a guide, enter...
Citrate Utilization Test OBSERVATIONS AND INTERPRETATIONS 1 Using Table 5-10, page 340, as a guide, enter your results in the table below. Organism Color Result (+ or -) Interpretation Control QUESTIONS 1 Consider the uninoculated tube. a. Is it a positive or a negative control? b. What information is provided by the uninoculated control? Rus. ay Manry bacteria that are able to metabolize citrate (as seen in the citric acid cycle) produce negative e this test. Why? Be specific. ative...
microbiology help TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
please help me. answer only first page. thank you! p. If you accidentally forgot to inoculate...
please help me. answer only first page. thank you!
p. If you accidentally forgot to inoculate your organism in an OF-glucose tube with oil, and only had one yellow “no oil” tube, what type of carbohydrate catabolism would describe that organism (fermenter, oxidative, neither)? Explain your answer. q. What are two other results from the OF-glucose tubes other than their type of carbohydrate catabolism? r. How can organisms that don't use starch grow on a starch agar plate? Carbohydrate Catabolism...
infectious disease lab summary protocol. Questions that need to be answered are attached, aswell as the...
infectious disease lab summary protocol. Questions that need to be
answered are attached, aswell as the lab manuel
Name: ID: Protocol summary for: (Maximum 2 pages, Total = 10 marks) 1) Describe, in a sentence or two, the main objective(s) of this lab. (1) 2) What techniques will you be using in this lab? (2) 3) How many microorganisms will you be working with in this lab? (1) 4) Over the course of this lab (1", 24, ... week), which...
MODULE 15 EFFECTS OF DISINFECTANTS AND ANTISEPTICS OBJECTIVES Be familiar or be able to describe 1)...
MODULE 15 EFFECTS OF DISINFECTANTS AND ANTISEPTICS OBJECTIVES Be familiar or be able to describe 1) Antimicrobial substances: Chemical and biological 2) Bacteriocidal versus Bacteriostatic chemicals 3) Sterilization versus disinfection by chemical antimicrobials 4) Difference between disinfectants, antisepties, and antibiotics in terms of a. Antimicrobial activity b. Where they would be used c. Role of organic matter in their effectiveness d. Differential effects on Gram positive and Gram negative bacteria. 5) Phenol coefficient test 6) Disk Diffusion method of assessing...
LAR STUDY GUM Exercises 76, 77, 78, 79,719, 7.11.8.19.2.0.7.0 1. Define niche A ecological envi B...
LAR STUDY GUM Exercises 76, 77, 78, 79,719, 7.11.8.19.2.0.7.0 1. Define niche A ecological envi B by-product of microbial metabolic activities C icorial growth D host-preste relationship E None of the above 2.Microbes muy compete ayust the environment tempera requirements in order to compete for nutrients A True B. False , c.) to the prima A B The pathogenesis of disease can move son of issues by extracellule enzymes or physical blocking of capillaries due to unlimited microbial greneth True...
Post Lab (Done after the completion of lab experiment) Results: Observations and interpretations Organism Transferred Was transfer successful? / What is the medium evidence? Bawlus subtilis TSA yes, fuggy with film. over Aga Micrococcus luteus NB 1 yes, some bacteria visible Conclusions: • List 3 important aseptic techniques you practiced to avoid contamination during transfer. • In which medium, it was easy to spot contamination, solid or liquid? Why?
4-6 Eosin Methylene Blue Agar (Levine) OBSERVATIONS AND INTERPRETATIONS Refer to Table 4-6, page 268, when recording your results and interpretations in the table below. Use abbreviations or symbols as needed. Growth (N/P/G) EMBINA Organism EMB Growth Color (Pi/D/C) Interpretation and Presumptive ID QUESTIONS I in your own words, what is the application (purpose) of EMB agar? 2 Which ingredient(s) in EMB agar supply(ies) a. Carbon b. Nitrogen? ur choice and explana 3 Is EMB agar a defined or an...
Citrate Utilization Test OBSERVATIONS AND INTERPRETATIONS 1 Using Table 5-10, page 340, as a guide, enter your results in the table below. Organism Color Result (+ or -) Interpretation Control QUESTIONS 1 Consider the uninoculated tube. a. Is it a positive or a negative control? b. What information is provided by the uninoculated control? Rus. ay Manry bacteria that are able to metabolize citrate (as seen in the citric acid cycle) produce negative e this test. Why? Be specific. ative...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
please help me. answer only first page. thank you!
p. If you accidentally forgot to inoculate your organism in an OF-glucose tube with oil, and only had one yellow “no oil” tube, what type of carbohydrate catabolism would describe that organism (fermenter, oxidative, neither)? Explain your answer. q. What are two other results from the OF-glucose tubes other than their type of carbohydrate catabolism? r. How can organisms that don't use starch grow on a starch agar plate? Carbohydrate Catabolism...
infectious disease lab summary protocol. Questions that need to be
answered are attached, aswell as the lab manuel
Name: ID: Protocol summary for: (Maximum 2 pages, Total = 10 marks) 1) Describe, in a sentence or two, the main objective(s) of this lab. (1) 2) What techniques will you be using in this lab? (2) 3) How many microorganisms will you be working with in this lab? (1) 4) Over the course of this lab (1", 24, ... week), which...
MODULE 15 EFFECTS OF DISINFECTANTS AND ANTISEPTICS OBJECTIVES Be familiar or be able to describe 1) Antimicrobial substances: Chemical and biological 2) Bacteriocidal versus Bacteriostatic chemicals 3) Sterilization versus disinfection by chemical antimicrobials 4) Difference between disinfectants, antisepties, and antibiotics in terms of a. Antimicrobial activity b. Where they would be used c. Role of organic matter in their effectiveness d. Differential effects on Gram positive and Gram negative bacteria. 5) Phenol coefficient test 6) Disk Diffusion method of assessing...
LAR STUDY GUM Exercises 76, 77, 78, 79,719, 7.11.8.19.2.0.7.0 1. Define niche A ecological envi B by-product of microbial metabolic activities C icorial growth D host-preste relationship E None of the above 2.Microbes muy compete ayust the environment tempera requirements in order to compete for nutrients A True B. False , c.) to the prima A B The pathogenesis of disease can move son of issues by extracellule enzymes or physical blocking of capillaries due to unlimited microbial greneth True...
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