I think it wouldn’t be dead until it looses all of its color and is able to crumple in your fingertips. So basically, it isn’t dead yet when it is wilted. But Its getting to the stage of being dead (like how old people are at that stage of their life where they will pass away soon). 
To put it simply, the flower is not dead yet, it’s just “old” :D
        
             
        
        
        
<span>The metabolic activity of a specific region of the living rat brain can be revealed by measurement of Fos protein concentration.
c-Fos is a proto-oncogene that is the homolog of the retroviral oncogene v-fos. It was first discovered in rat fibroblasts as the transforming gene of the FBJ MSV.</span>
        
             
        
        
        
If the pacific ocean was rimmed by the ring of fire we can conclude that the plate boundaries are constantly moving
        
             
        
        
        
A target cell respond to a hormone because it bears receptors
        
             
        
        
        
Surface tension decreases when temperature increases because cohesive forces decrease with an increase of molecular thermal activity