Answer: photovoltaic cell i think
Explanation: A device which is used to convert light energy directly into electrical energy is called as photovoltaic cell or a solar cell.
Answer:
Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation: