Pneumonia is a leading cause of death.
        
                    
             
        
        
        
Enzymes are biological catalysts – they speed up chemical reactions. Enzymes are required for most of the chemical reactions that occur in organisms . These reactions occur in the breakdown of chemical molecules, which we see in the digestive system . ... Enzymes are proteins that have a complex 3D-shape.
        
                    
             
        
        
        
Answer:
Recombination Occurs During the Prolonged Prophase of Meiosis I.
Explanation:
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Answer:
possible genotypes are - Rr Rr Rr Rr
Possible phenotypes - remember that R is dominant therefore all of the seeds with be round 
Explanation: