It is a catecholamine. It is also known as adrenaline. It will increase the heart rate and other flight or fight responses.
        
             
        
        
        
In Newton's Third Law of Motion, when one object exerts a force on a second object, the forces are equal in magnitude and opposite in direction. The correct answer is B.
        
             
        
        
        
Water is required for both the light-dependent and the light-independent reactions to proceed.
        
                    
             
        
        
        
Nexin
This is the elastic protein among tubulin doublets that link them together for ciliary and flagellae structures.
Cilia and flagella are cellular structures that facilitate movement of the cell from one area to another. 
This protein also inhibits movement on microtubules from axonemes.