What is the inner membrane of the mitochondria called?

What is the inner membrane of the mitochondria called?

cristae
Mitochondria are bounded by a double-membrane system, consisting of inner and outer membranes. Folds of the inner membrane (cristae) extend into the matrix.

What is the inner membrane of a mitochondria made of?

The mitochondrial inner membrane is made primarily of a phospholipid bilayer, just like the cell membrane. Embedded in this bilayer are various proteins that serve to carry out the electron transport chain. The membrane has folds called christae that increase its surface area.

What are the protein complexes embedded in the inner mitochondrial membrane?

Overview diagram of oxidative phosphorylation. The electron transport chain and ATP synthase are embedded in the inner mitochondrial membrane. NADH and FADH2 made in the citric acid cycle (in the mitochondrial matrix) deposit their electrons into the electron transport chain at complexes I and II, respectively.

Does the inner mitochondrial membrane contain carrier proteins?

Mitochondrial membrane transport proteins, also known as mitochondrial carrier proteins, are proteins which exist in the membranes of mitochondria. The outer membrane is porous, whereas the inner membrane restricts the movement of all molecules. The two membranes also vary in membrane potential and pH.

What are mitochondria folds called?

The inner membrane of the mitochondrion folds inwards, forming the cristae. This folding allows a greater amount of membrane to be packed into the mitochondrion.

Why are proteins embedded in the inner mitochondrial membrane?

As outlined in more detail below, current evidence indicates that these mitochondrial gene products are inserted into the inner membrane as they are undergoing translation on the mitochondrial ribosomes. Each of these proteins represents essential subunits of their respective respiratory chain complexes.

What happens in the inner membrane of the mitochondria?

At the inner mitochondrial membrane, a high energy electron is passed along an electron transport chain. The energy released pumps hydrogen out of the matrix space. The gradient created by this drives hydrogen back through the membrane, through ATP synthase.

What do the proteins in the mitochondria do?

Mitochondrial proteins are generally involved in mitochondrial function, including carrying out reactions of the electron transport chain. Mitochondrial proteins are derived either from genes encoded by the nuclear genome, or by DNA contained within mitochondria.

What is the folds of the inner membrane?

The inner membrane folds over many times and creates layered structures called cristae. The fluid contained in the mitochondria is called the matrix. The folding of the inner membrane increases the surface area inside the organelle.

Why is the inner membrane of mitochondria ruffled?

Why is the inner membrane of mitochondria ruffled? *The inner layer of mitochondria is ruffled because of more surface area. *Mitochondria might have originated from symbiotic bacteria because they took up residence inside the first eukaryotic cells. Desribe the arrangment of mocrotubles that compose the centrioles.