There are Four Methods that conducted on the laboratories in order to detect the presence of microorganisms. There are Rodac Method, Swab Method, Rinse Method, and lastly Open Dish Method and it will be discussed in detail below. 2. 1. 1 Rodac Method The purpose of this Standard Operating Procedure is to describe a program that will adequately measure the efficacy of disinfection of Rooms […]
Biology – Pattern in Nature 1. Organisms are made of cells that have similar structural characteristics 1. 2. 1Outline the Historical development of the cell theory, in particular, the contributions of Robert Hooke and Robert Brown. •1665 English scientist Robert Hooke used microscope to examine thin slices of cork and saw small box-like compartments he called cells. He was first to realise plant material had […]
EXAMINER TIPS for IGCSE Biology 0610 How to use these tips These tips are based on some common mistakes made by students. They are collected under various subheadings to help you when you prepare for your examinations. • • • • • Make sure you read all the general tips. These can be important in any of the papers you do. Make sure you know […]
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