Biology Crossword
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
 
 
Down: 1) principlethat bonds in DNA can form only between adenine and thymine and between guanine and cytosine.3) process in which one strain of bacteria is changed by a gene or genes from another strain of bacteria.4) new DNA strands helping to ensure that each molecule is a nearly perfect copy of the original DNA. Across: 2) granular material visible within the nucleus.5) globur protein molecule around which DNA is tightly coiled in chromatin.6) copying process by which a cell duplicates its DNA.7) monomer of nucleic acids made up of a 5 carbon sugar, a phostphate group, and a nitrogenous base.8) virus that infects bacteria.
 

 

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