Historical Examples. 1  It will be seen that the valves v on the other side of the annular chamber are closed. 2  The angle of the anterior chamber is a true angle and not an annular sinus. 3  Johnston suggests that the reference is to an annular eclipse which he finds occurred on August 14, at about 8Â¼ h. in the morning.
Cellular nutrients come in many forms, including sugars and fats. In order to provide a cell with energy, these molecules have to pass across the cell membrane, which functions as a barrier â but not an impassable one.
Mitochondrion   Mitochondrion.   what cell is provide energy for the cell by breaking down glucose. The breaking down of glucose and energy production is a long-drawn process involving more than one metabolic pathways.   The breakdown of glucose occurs in the cytoplasm anâ¦d the process is called glycolysis.   However, the organelle that produces most of the cellular energy is called the mitochondria.