Split reins are a piece of equipment used for communicating with a horse while it is being ridden. Split reins are actually two separate, individual reins that are used together, with one rein on each side of the horse's neck.
It is bounded by two sets of membranes, a smooth outer one and an inner one that is arranged in folds, or cristae, that extend into the interior of the mitochondrion, called the matrix. Mitochondria provide the principal source of cellular energy through oxidative phosphorylation and adenosine triphosphate synthesis. They also contain the enzymes involved with electron transport and the citric acid and fatty acid cycles.
What is the major function of cell division and mitosis? The functions of cell division by mitosis are 1. to keep the total cell number in a mature organism relatively constant, 2. to replace worn-out or damaged cells, and 3. to ena â¦ ble a multicellular organism to grow to adult size.