Double Membrane

Definition

A double membrane refers to a structure that consists of two layers of phospholipids surrounding a cellular organelle. It provides an extra level of protection and control for the organelle.

Related terms

Nuclear Envelope:

A double membrane that surrounds the nucleus, separating its genetic material from the rest of the cell.

Mitochondria:

Organelles with a double membrane that are responsible for producing energy through cellular respiration.

Chloroplasts:

Double-membraned organelles in plant cells where photosynthesis takes place.