Answer:
Active transport
Explanation:
Facilitated diffusion and simple diffusion don't require any action from the cell to occur. Active transport is the only type that requires the cell to use energy.
~Hello there! ^_^
Your question: The four types of nucleotides that make up DNA are..?
Your answer: The four types of nucleotides that make up DNA are:
1) Thymine
2) Guanine
3) Adenine
4) Cytosine
Hope this helps! :D