Answer:
lfhiosu becwuhbceoiabcoeibcknewiohugfor  h
Explanation:
 
        
             
        
        
        
Answer:
the correct answer is option b, as energy follow in such condition is uni directional
 
        
                    
             
        
        
        
Answer:
Explained 
Explanation:
The first thing that the etiologist can do is try and culture bacteria from the tissue samples in the lab. And then study about the bacterium's properties and characterstics that are leading to causing diseases in the humans. 
 
        
             
        
        
        
The sentence which is true or a fact about the virus is the sentence in letter B. Viruses can reproduce only within other cells. <span>Viruses are intracellular obligate parasites they can not replicate or express the genes with out living host. </span>
<span>viruses are acellular so they have to rely on host cellular machinery for reproduction. </span>
<span>viruses doesnot contain any enzymes for reproduction</span>