The answer is gene pool, evolution, natural selection, and mutations.
The answer would be single
After eating, leptin signals the hypothalamus to suppress appetite.
Answer:
plasmid
Explanation:
Plasmid vectors are used to transmit gene segments. Plasmid vectors are used as "cloning vectors" which are small genetic pieces taken from an organism's cell. These are used for maintaining stability when foreign DNA gets inserted into the cell itself.