Answer:
Option (2).
Explanation:
Ames test is used to identify the mutageneicity of the compound. The bacteria are treated with chemicals in the nutritive environment to determine whether the substance can acts as a mutagen or not. 
The bacteria that can restore the biosyntheic activity in the environment can be considered as mutagen. The mutant bacteria can be easily identified in the Ames test.
Thus, the correct answer is option (2).
 
        
             
        
        
        
Interviews: 
- Objective: purpose is to obtain Information 
- Minimal legal requirements; no rights warnings 
- cooperative relationship between interviewer and subject likely 
- no guilt 
- moderate planning 
- Most Important: private and semiprivate; distraction could cause witness to forget key info 
- Interrogations 
- Objective: purpose is to test information already obtained, obtain valuable facts; eliminate the innocent; identify the guilty; obtain a confession 
- extensive pre interrogation legal requirements; rights required 
- hostile relationship likely 
- guilt suggested 
- extensive planning 
- absolute privacy
        
             
        
        
        
☁️ Answer ☁️ 
Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.
Hope it helps. 
Have a nice day noona!~  ̄▽ ̄