10. Examine this image of a sample that was streaked using the quadrant streakisolation technique. Answer the questions below. (Please see color image in theelectronic version of this document in our Lab Week 4 folder. You may want to alsoincrease the magnification of the image too.) (50 pts each, 100 pts total)Harold BensonImage Description: Quadrant streakon Nutrient Agar. Examine theimage for colonial morphologyobservations.a. Is this an example of a PURE culture or a MIXED culture?b. Briefly explain how you can support your answer in part a of this question.

Detailed Analysis of a Mixed Culture on Nutrient AgarA mixed culture, as seen in the image provided,…

Answered: 10. Examine this image of a sample that…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Similar questions

In spread plate method, inoculating loop is used to spread bacteria from the inoculation site. For quadrant streaking, the loop must be flame sterilized between quadrant streaks. a. First statement is TRUE, Second statement is FALSE. b. First statement is FALSE, Second statement is TRUE. c. Both statements are TRUE. d. Both statements are FALSE.
The main of objective of using 13-Line streaking method is to get: A-Contaminated cultures B-None of the above C-Overlapped colonies D-Separated colonies
Based only on your EMB and MSA results, build a dichotomous key that could differentiate between these four strains.
Explain shortly the concept of differential centrifugation and how you would limit pellet contamination which is a disadvantage of this technique.
Answer and the image below and provide explanations.
Isolate #2: Cell Morphology (shape) . a. b. Isolate #2: Gram stain result Gram Postive. (The color I see on my screen is purple.) c. List at least two genera (not species) of bacteria that are consistent with the Gram reaction and morphology you observed. d. Are any of these genera are normal flora on the skin? If so which one(s)? (1 pt) ***Please answer the four questions base on the picture provided.***
What type of medium is best used to maintain a preserve specimen before clinical analysis? A. Enriched b. Selective c. Differential d. Reducing e. Nutrient
Microbiology
1.What advantage(s) does the pour plate method have over the streak-plate method? 2.Why is the loop flamed before it is placed in a culture tube? Why is it flamed after completing the inoculation? 3.Before inoculating and pouring molten nutrient agar into a plate, why must the agar first be cooled to 50° C? 4.Explain why plates should be inverted during incubation. 5.Explain why plates should be inverted during incubation.
Describe characteristics of Proteus Vulgaris in the Agar: (How does colonies look like (color) and explain does it grow on that agar. Blood Agar (Aerobic) MacConkey EMB PEA Mannitol Salt Agar Chocolate Agar Nutrient Agar
1. You were given a mixed nutrient agar broth culture of bacteria. a. How will you determine the different types of bacteria present in the mixed culture? b. How will you make a pure culture of these bacteria in a slant nutrient agar? c. How will you identify these bacteria?
Describe the results for each test indicated below. Use full sentences and write your answers in proper paragraph form. Gram stain Positive or Negative (How did you know?) Cell arrangement Cell morpholog Phenol Red Fermentation Did fermentation occur in each sugar? What products were produced? (How could you tell?) Streak for Isolation Successful or unsuccessful? (How could you tell?) Pigmented or non-pigmented? describe any other characteristics of Colony Morphology

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