Antiseptics ( 70%, 91% Isopropyl and Iodine) on Ecoli growth - Lab Report Example

The E coli bacteria are among the most significant bacteria in the human digestive system. However, E coli bacteria have a number of genera that cause human diseases such as Shigella, Salmonella, and Yersinia (Todar 1). Physiological research has indicated that e coli bacterium is versatile and its habitat characteristics enable a perfect adaptation of the bacteria. E coli grow despite the presence or absence of oxygen and the wild type has no growth factor necessities. E coli respond to various environmental signals such as surrounding temperature, pH of the medium, chemicals, and other environmental factors because of the characteristics that make it a unicellular organism.

E coli bacteria have multifaceted mechanisms, which they use to detect the presence of chemical in their environment such as antibiotics and antiseptics making it possible to synthesize enzymes to metabolize the chemical compounds leading to increased resistance of the bacteria to antiseptics. What is the effect of 70% concentration of isopropyl rubbing alcohol and 90 % concentration of iodine on Escherichia coli (E coli) growth? The experiment seeks to find the environment that best suits the growth of E coli bacteria and the reaction of the bacteria towards different concentrations of disinfectants.

In addition, there are hypothesis that the experiment to test, which include the null and alternative hypothesis. In the quest to investigate the effect of concentration on the growth of E coli, if the percentage of the chemicals is increased, that is, the percentage of isopropyl alcohol and iodine is increased from 70% to 90% leads to a slight decrease in the growth rate of the E coli bacteria Medics have applied a wide range of products and methods used to treat, avoid, and control E coli bacteria.

The use of chemicals such as antiseptics (isopropyl rubbing alcohol and iodine) has