Answer:
The last universal common ancestor is the most recent population of organisms from which all organisms now living on Earth have a common descent, the most recent common ancestor of all current life on Earth.
Explanation:
All energy flows linearly; that is, in one direction. There are several basic forms of energy, including kinetic, potential, heat, chemical, electrical, electrochemical, electromagnetic, sound and nuclear.
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Answer:
C. Electrophoresis
Explanation:
Electrophoresis is used to seperate DNA based on its size and electrical charge, which explains why an electric current is passed through seperated parts of DNA.