Answer:
A
Explanation:
because each of the nitrogenous bases can only pair up with one of the other bases.
I wanna say the answer is a
Answer:
pluripotent stem cells can be used for tissues and placenta
Answer:
An acid is a substance that donates hydrogen ions. Now there are more hydrogen ions than hydroxide ins in the solution. This kind of solution is acidc. A base is a substance that accepts hydrogen ions. When a base is dissolved in water, the balance between hydrogen ions and hydroxide ions moves the other way.
Explanation: