Which nitrogen bases are needed to complete the DNA strand pictured below? Give your answer in order from top to bottom. Question 7 options: cytosine, thymine, cytosine, guanine cytosine, thymine, guanine, guanine thymine, cytosine, thymine, adenine adenine, cytosine, adenine, guanine.
To make a DNA molecule you need: nitrogenous bases—there are four of these: adenine (A), thymine (T), cytosine (C), guanine (G) carbon sugar molecules. phosphate molecules.
