To determine which substances listed are not fatty acids, we should first understand the chemical nature of each option:
Based on this analysis, the substances that are not fatty acids are Glutamic acid, Lecithin, and Aspartic acid.
Therefore, the correct answer is: A, D, and E only.
| Pair of skeletal parts | Category | |
|---|---|---|
| (a)$\,\,$ | Sternum and ribs$\,\,$ | Axial skeleton |
| (b)$\,\,$ | Clavicle and glenoid cavity$\,\,$ | Pelvic girdle |
| (c)$\,\,$ | Flumerus and ulna$\,\,$ | Appendicular skeleton |
| (d)$\,\,$ | Malleus and stapes$\,\,$ | Ear ossicles |