Answer:
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Explanation:
To explain the last sentence, what I mean by that is the sudden decrease in air pollution in just a few weeks is what would have typically taken multiple years to do. Due to less drivers, factories shutting down, and more, less toxic and infirm mental hazardous chemicals were released into the atmosphere in an extremely short amount of time. However, nowdays, it is almost back to where is was before the pandemic.
 
        
             
        
        
        
The function of a protein is determined by its shape. The shape of a protein is determined by its primary structure (sequence of amino acids.) The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene (DNA) encoding it.
 
        
             
        
        
        
Pretty sure it's 2. She dyed her hair red so that means she does not have the genes for red hair. If she did, it would be passed to her kids with sex cells
        
             
        
        
        
<span>The answer is control and coordinate the activities of the contractile cells. </span>