Answer :
HELLO :)
The answer to this question would be
-base ratios
-sugars
-phosphate groups
If your taking the test it would be D) All of the above :)
REMEMBER: (you are beautiful and deserve the world. you deserve to be treated like it. U deserve love, and i know without a shadow of doubt you will find it. you are that amazing. Your story is not to be silenced its your story so own it!if someone decides to walk out of your life.. let them. they dont know what they lost and they are stu.pid for that. They were probably holding you back anyways.
~hailey lee~