An Example of Potential Energy Is ____.​

question 15

Multiple Choice

An example of potential energy is ____.​

• A) ​electricity flowing through a wire
• B) ​the chemical energy in a candy bar
• C) ​a bullet fired at high velocity
• D) ​the falling of a leaf from a tree
• E) ​the flowing of water

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Definitions:

Diffusion

The process by which molecules move from an area of higher concentration to an area of lower concentration, leading to the equal distribution of molecules.

Sodium/Potassium Pump

A membrane protein that moves sodium ions out of cells and potassium ions into cells against their concentration gradients, essential for cellular function.

Pinocytosis

Process by which vesicle formation brings macromolecules into the cell.

Exocytosis

Process in which an intracellular vesicle fuses with the plasma membrane so that the vesicle’s contents are released outside the cell.