Which of the following answer correctly describe DNA. There is more than one correct answer.

Bases are adenine, uracil, cytosine and guanine.
Bases are adenine, thymine, cytosine and guanine.
Single helix
Sugar is deoxyribose
Sugar is ribose
Double helix

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen