Identify the following scientific studies as examples of basic research or applied research.
basic
applied
investigating the efficiency of converting landfill waste to methane for the generation of electricity
Press Space to open
investigating gene regulation of a bacterial protein with antigenic properties
Press Space to open
investigating a bacterial protein with antigenic properties to determine if it may be used in vaccine development
Press Space to open
determining which enzymes are responsible for generating methane in methane-producing (methanogenic) archaea
1. applied research
2. basic research
3. applied research
4. basic research