A student investigates the potential and kinetic energy of a toy car as it travels down a track. The car begins at the top of the track, on the edge of the first hill, and the car moves forward when the student releases it. Use the dropdown menu to describe the energy of the toy car at different points along the track.

What statements describe a host organism?

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

Which description provides the best objective summary of the article in the passage?