answer the questions with full explanations please

Tasks for You; After listening to the tutorial on cell culture aseptic technique and watching the videos; 1. Outline procedures to prevent microbial contamination from occurring in mammalian cell culture. 2. Describe the arrangement of items in the work space for a clean-to-dirty work flow to avoid contamination. 3. Outline the preparation of sterile cell culture media and function of reagents added to the media. Include the media type, reagents, equipment and aseptic precautions taken when preparing this media. 4. Go to ThermoFisher GIBCO DMEM Media and list the main groups of ingredients found in DMEM media