Answer:
The active smokers and those getting exposed, that is, passive smokers are at enhanced threat of bacterial infections. Getting exposed to tobacco smoke enhances vulnerability to respiratory tract infections, comprising pneumonia, tuberculosis, and Legionnaires disease.  
Smoking compromises the anti-bacterial activities of leukocytes incorporating monocytes, neutrophils, B cells, and T cells, thus, demonstrating the mechanism for enhanced risk of infections.  
 
        
             
        
        
        
The plasma membrane, because it's a selective permeable which means it only allows certain things in like sucrose.
        
             
        
        
        
The soon to be male organism, developing from the zygote, receives or inherits the X chromosome from his mother. His father provides him the y chromosome, the smaller of the 2 sex chromosomes.
        
             
        
        
        
Yes the answer would be true