Unknown Lab Report

The purpose of this lab is to isolate a bacteriuml macrocosm from the normal throat flora. A streak plate mode will be utilize to obtain a pure(a) culture of a thousand peremptory coccus genus of bacteria. several(prenominal) biochemical tests will be performed to aid in the ac hunch overledgment of this unknown bacterium. Biochemical tests are a series of tests employ to identify certain bacterium The various tests that are use in this lab are the catalase test, oxidase test, melodic line hemolytic test, MSA, blood agar, and PEA/ab sens test. A known one thousand unconditional coccus bacteria will be used alongside an insulate gm positive unknown bacteria for comparison to aid in the ability to identify the isolated organism to the genus level. There are many reasons for identifying an unknown bacterium. rough reasons to identify an unknown bacterium could help one happen if the unknown could set illness in living things or help make antibiotics to kill bacteria that can cause some illnesses. Bacteria are necessary for the maintenance of gentlemans gentleman health. An important function of our normal flora is to protect us from highly pathogenic organisms. Some pathogenic bacteria besides pose a major health threat by do diseases.

Staining techniques are going to be performed in this lab to determine if the unknown bacteria is indeed Gram positive or Gram negative. The type of bacteria organism investigated in this lab is Gram positive bacteria. Gram positive bacteria are those that are crossed dark moody or violet by Gram staining. Gram positive organisms are able to retain the crystal violet stain because of the high amount of peptidoglycan in the cell wall. (Wikipedia). It is important to know whether the unknown bacteria is Gram positive or Gram negative because Gram positive bacteria can be killed with antibiotics. Doctors are also able to determine which type of antibiotic to use to kill the bacteria that can be causing a significant health threat in their patients. non all Gram positive bacteria... If you want to get a full essay, order it on our website: Orderessay

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