<span>Answer:
A. Fluconazole (Diflucan)
• Correct: Fluconazole (Diflucan) is indicated for opportunistic candidiasis infection related to HIV.
• (B) Trimethoprim/sulfamethoxazole (Bactrim) is indicated for bacterial infections such as urinary tract infection.
• (C) Rifampin (Rifadin) is used for treatment of tuberculosis.
• (D) Acyclovir (Zovirax) is an antiviral agent</span>
        
             
        
        
        
Organ system is the most complex in organization
        
                    
             
        
        
        
Answer:
Multicellular organisms can be described as an organism which is made up of multiple cells. A unicellular organism is made up of only a single cell. Multicellular organisms are complex organisms as they are made up of more than one cell. Unicellular organisms are simple organisms as they constitute of only a single cell.
Examples of a multicellular organism include humans, elephants, bats, rats, cats etc.
Example of a unicellular organism is bacteria. 
 
        
                    
             
        
        
        
A Dormant gene allows for these extraneous situations to occur