...are originally a result of eukaryotes evolving from prokaryotic ancestors and met a very important increase of complexity.
D. Carbohydrates are made of many sugars.
Electron Transport Chain located in the Mitochondria.
I don't see any answer options so that's my best guess
Answer:
Brain
Explanation:
It is always active, and regulates everything going through your body. Even when your asleep, it makes sure that the body is in the right temp, and that all the organs help stay safe.
The answer is B: the instructions for making some proteins are not specified by genes.