Which nitrogen bases are needed to complete the DNA strand pictured below? Give your answer in order from top to bottom.


cytosine, thymine, cytosine, guanine


cytosine, thymine, guanine, guanine


thymine, cytosine, thymine, adenine


adenine, cytosine, adenine, guanine

Which nitrogen bases are needed to complete the DNA strand pictured below Give your answer in order from top to bottom cytosine thymine cytosine guanine cytosin class=