2310L Study Guide - Final Guide: Gram Staining, Bacilli, Test Tube

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danielaeda90

25 Nov 2022

School

CNM

Department

BIO - Biology

Course

2310L

Professor

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Document Summary

2310l unknown project day 3: day 2 results and pick your day 3 tests. Today you will view, record, and analyze your day 2 gram stains. Then you will choose new media or tests to continue the unknown identification process: day 2 results. Get your day 2 plate results by checking your grade comments for your day 1 submission. You will know this for your colonies on tsa and/or choc plates because of your gram stains. Mac and cna plates because the plates are selective. You can also look at the g-/g+ results. Day 1 plates and day 2 gram stain results. Day 1 plate 1 and day 2 gs. Day 1 plate 2 and day 2 gs. Day 1 plate 3 and day 2 gs. Gram (-) blue the cream colonies are gram(+) cocci and blue. Label each colony color and state whether it is gr(+) or gr(-) and the shape of the cell.

Related Questions

a dairy is suspected of improperly handling milk during the pasteurization process. samples of the pasteurized milk are brought to the lab for viable plate counts. a 1 ml sample of the pasteurized milk is added to 99 ml of water. 1 ml and 0.1 ml of this dilution are plated and the results are too many to count. a second dilution of 1 ml into 99 ml of water was also made with 1 ml and 0.1 ml plated. the results were too numerous to count and 320 colonies, respectively. a third dilution of 1 ml into 9 ml of water was performed and plates were made with 1 ml and 0.1 ml. the results were 290 and 27 colonies, respectively. what was the total bacterial count in the pasteurized milk?

ochrezebra3

You have isolated an organism from the urine of Patient X, a 24 year old female. It is showing gamma hemolysis on blood agar and the colonies are large with an entire margin and are white in color. You perform a gram stain with the results pictured below.

You perform a catalase test and it produces bubbles. You next perform an oxidase test and it is oxidase negative.

1. What is the next step to take in identifying the organism?

2. If your test is positive, what is the genus and species of the organism?

3. If the test is negative, what further test needs to be done to further confirm the negative result?

4. If the result is truly negative, what further testing needs to be run on this particular specimen? In other words, what organism of this type can cause urinary tract infections in sexually active females and how is it tested? (You will need to do some research to find out these results.)