1. The cell wall is a very thin " primary cell wall ". 2. The parathyroid chief cell is the primary cell of the parathyroid gland. 3. Primary cells are cells that have been isolated and then used immediately.4. The experimental G7ep, an enhancement of the G7e, used primary cells . 5. The most common hemicellulose in the primary cell wall is xyloglucan. 6. Primary batteries, or primary cells , can produce current immediately on assembly. 7. Pectin is a structural heteropolysaccharide contained in the primary cell walls of plants. 8. Primary cells are made in button format to about 1 Ah.9. :: : : Why aren't primary cells not prohibited on airplanes? 10. Xyloglucan is the predominant hemicellulose in the primary cell walls of most dicotyledons.