Irreversible

Definition

Irreversible" describes a process or reaction that cannot be undone or reversed. In biological systems, this often refers to chemical reactions where the products cannot revert back to the original reactants.

5 Must Know Facts For Your Next Test

1. Irreversible reactions often involve a significant change in energy, such as the release of heat.
2. Enzyme-catalyzed reactions can be irreversible if the product formation is highly favored.
3. In metabolic pathways, some steps are irreversible and act as regulatory points.
4. Irreversibility ensures directionality in biochemical processes like glycolysis and cellular respiration.
5. Irreversible reactions are crucial for maintaining homeostasis within an organism.

Review Questions

Related terms

Reversible Reaction: A chemical reaction where the products can revert back to the original reactants under certain conditions.

Catalyst: A substance that increases the rate of a chemical reaction without being consumed in the process.

Activation Energy: The minimum amount of energy required for a chemical reaction to occur.