Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
Answer: Ask your teacher for some help
Explanation: if anything can help us your teacher
Really it matters on which head you start the flip on. Whichever head you start with, there's a 51% chance to land on that one. If you start with heads, it would be 255 times.
