Thermal energy, the amount of energy associated with the movement of the atoms and molecules in a body of matter. Heat is energy in its most random form.
The energy that matter possesses because of its location or arrangement. Water behind a dam possesses potential energy, and so do chemical bonds.
Referring to a solution that, when surrounding a cell, will cause the cell to lose water.
Adenosine triposphate, the main energy source for cells.
The homeostatic maintenance of solute concentrations and the balance of water gain and loss.
The totality of an organism’s chemical reactions.
A property of biological membranes that allow some substances to cross more easily than others and blocks the passage of other substances altogether.
Cellular “eating”; a type of Endocytosis in which a cell engulfs macromolecules, other cells, or particles into its cytoplasm.
A macromolecule, usually a protein, that serves as a biological catalyst, changing the rate of a chemical reaction without being consumed by the reaction.
The passage of a substance through a specific transport protein across a biological membrane down its concentration gradient.
A macromolecule, usually a protein, that serves as a biological catalyst, changing the rate of a chemical reaction without being consumed by the reaction.
Thermal energy, the amount of energy associated with the movement of the atoms and molecules in a body of matter. Heat is energy in its most random form.