Answer:
Y chromosome
Explanation:
The presence of the Y chromosome indicates a male, whereas the absence of it indicates a female.
 
        
             
        
        
        
The basic building block of DNA and RNA are Nucleotides.
        
                    
             
        
        
        
<span>Adrenaline can change many things including increasing blood pressure, heart rate, reflexes, physical and psychological capabilities, and many more. When under stress, adrenaline is released to help the body defend itself from that stress. That's why when children are drowning, for example, those saving them must be extremely careful because a child can due to adrenaline become even stronger than an adult and can accidentaly drown the adult.</span>
        
             
        
        
        
The client with right sided hemiparesis has limited mobility because the mobility of the skin is due to change in position of the skin and the tissues that are underlying it.  
The nurse will move each joint through its range of movement which will improve the mobility of the joints. Adequate hydration is also required to maintain the integrity of the skin.
Massage also helps in restoring the circulation of that particular area.
 
        
             
        
        
        
The answer A. DNA in the nucleus controls all cell activity.