Answer:
attatch the images of the Petri dishes so we can further help in understanding this question 
 
        
             
        
        
        
<span>I think its topoisomerase II, but im not sure
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Answer:
Photosynthesis is a process in which <u>_heat_</u> energy is converted to <u>____chemical___</u> energy.
Explanation:
 
        
                    
             
        
        
        
<span>An insulin receptor is a neurotransmitter that is activated by the presence of insulin. This receptor is usually represented by the abbreviation (IR),</span>
        
             
        
        
        
Answer:
Atmosphere and geosphere is the part of the earth which is utilized in the nitrogen cycle. 
Explanation: 
In nitrogen cycle, the nitrogen which is present in the atmosphere comes down to the earth surface through rainfall. This nitrogen is absorbed by the earth and taken by roots of plants. Some amount of nitrogen is taken by many bacteria such as denitrifying bacteria which converts the soil nitrogen into atmospheric nitrogen and the nitrogen goes again to the atmosphere.