B.AIDS because it disables your immune system.
The light-independent reaction occurs in the stroma its the fluid-filled area of a chloroplast outside of the thylakoid membranes.
Explanation:
in DNA nitrogen bases are adenine, thymine, guanine and cytosine and in RNA nitrogen bases are same but instead of the thymine there's uracil
in DNA there are linked together adenine and thymine ; Guanine and cytosine. And in RNA adenine and uracil; Guanine and cytosine.