The following points highlight the top two methods of gene transfer. The methods are: 1. Indirect Method (Agrobacterium Mediated Gene Transfer) 2. Direct Methods of Gene Transfer. Method # 1. Indirect Method (Agrobacterium Mediated Gene Transfer): The transformation of a plant can be carried out directly by using Agrobacterium spp. which is a common bacterium causing crown gall tumour in [...]
The following points highlight the top ten methods for food preservation. The methods are: 1. Pasteurization and Appertization 2. Aseptic Packaging 3. Irradiation 4. High-Pressure Processing – Pascalization 5. Low-Temperature Storage - Chilling and Freezing 6. Chemical Preservatives 7. 'Natural' Food Preservatives 8. Modification of Atmosphere 9. Control of Water Activity 10. Compartmentalization. Method # 1. Pasteurization and Appertization: Foods [...]
The following points highlight the top ten methods of fossilization. The methods are: 1. Petrifaction or Premineralization 2. Mold and Cast 3. Carbonization 4. Trace Fossils 5. Coprolites 6. Preservation 7. Compression 8. Natural Molds 9. Mummified Plants 10. Infiltration or Replacement. Method # 1. Petrifaction or Premineralization: Rock like minerals seep in slowly and replace the original organic tissue.Silica [...]