A.
Because yellow is more dominant so it’s more common for offsprings to have yellow petals but some of the offsprings will also take some traits of the pink petals so it’s A!
        
             
        
        
        
Answer:
not too sure but a . . . . .. .
 
        
             
        
        
        
Answer:
 Atoms are the most reactive when they have a full outer energy level. 
Explanation:
Atoms are the least reactive and most stable when their outermost electron shell is full. 
 
        
             
        
        
        
Answer:
The correct answer is option A, that is, stimulate smooth muscle contraction. 
Explanation:
A group of lipids and a hormone that plays an essential role in monitoring the process of the formation of blood clots, stimulation of labor, the flow of blood and inflammation is known as prostaglandins. The hormone prostaglandin takes part in various kinds of body functions like the relaxation and contraction of the smooth muscles at the time of childbirth, monitoring blood pressure, dilation and constriction of blood vessels, and produce inflammation at the site of infection or tissue damage.  
Prostaglandins possess five-membered rings and are obtained from the fatty acid, arachidonic acid. At the time of blood vessel injury, thromboxane, that is, a form of prostaglandin enhances the process of blood clot formation so that the injury site gets heal quickly.  
 
        
             
        
        
        
Answer: D.) This gene sequence ensures transcription of arabinose genes only
when arabinose is available, saving the cell from expending energy
unnecessarily