Here are the correct responses for your questions:
Question 1: DNA is made of four different bases: A, T, C, and G. (Note: A. stands for Adenine, T. for Thymine, C. for Cytosine, and G. for Guanine.)
Question 2: Are humans genetically similar to chimpanzees? A: Yes. Humans share approximately 98-99% of their DNA with chimpanzees.
Question 3: In terms of DNA, one living organism is different from another because of the order of the B: nitrogenous bases in the genetic code.
If you have more questions or need further clarification, feel free to ask!