A, strongly basic. i’m not sure if i’m right but oh well
        
                    
             
        
        
        
Answer:
Here is basic information: "Stem cell therapy for the heart; several different types of approaches are being used to repair damaged heart muscle with stem cells. The stem cells, which are often taken from bone marrow, may be inserted into the heart using a catheter. Once in place, stem cells help regenerate damaged heart tissue
Explanation:
 
        
             
        
        
        
Answer:
Bacteriophages have a lytic or lysogenic cycle.
Explanation:
The lytic cycle leads to the death of the host, whereas the lysogenic cycle leads to integration of phage into the host genome. Bacteriophages inject DNA into the host cell, whereas animal viruses enter by endocytosis or membrane fusion.
 
        
             
        
        
        
The answer is transfer RNA or tRNA.