The sugar and phosphate portion of the nucleotides are found as segments of the rails on the DNA twisted ladder.
        
             
        
        
        
Answer:
Explanation:
methods produce new plants from vegetative parts of the original plant, such as the leaves, stems and roots. These
 
        
                    
             
        
        
        
Answer:
Taxonomy 
Explanation:
Taxonomy is the science of naming, defining and classifying groups of biological organisms on the basis of shared characteristics. 
The principal ranks in modern use are domain, kingdom, phylum, class, order, family, genus and specie