Which phrase defines a law? a possible explanation or answer to a scientific question that is based on prior knowledge or research and is testable

A statement of fact that is generally accepted to be true and universal because it has always been observed to be true.

a hypothesis or group of related hypotheses that can be accepted as true based on repeated experimentation with similar results

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis