differences between an undergraduate and a graduate nursing degree many nurses follow the traditional educational progression of a nursing career beginning with an associate s or a bachelor s degree and ending with a master s or a ph d in some specialized type of nursing research or nursing administrationn undergraduate degree is required to become a registered nurse while a graduate degree can lead to a variety of careers including nurse practitioner certified clinical nurse specialist or nursing educator the job duties of a registered nurse rn vary according to population demographics and clinical settings
Heat treatment has long been used to reduce microbial spoilage in beer. A number of concepts such as the D value, the z value and Pasteurisation Units have been used to measure and analyse the degree of pasteurisation.
70% alcohol has been found to effective in sterilizing lab bench work area, killing microbes and other contaminants. Its mode of operation is by cell protein denaturation, destruction of cell wall/membrane of the microbes in question as it slowly permeate into cell thereby inhibiting its growth. important is the high osmotic pressure of 70% alcohol than its highest concentration (100%) or lower form. cheers.