…receptorchemistry specific cell binding site or molecule: a molecule, group, or site that is in a cell or on a cell surface and binds with a specific molecule, antigen, hormone, or antibodyreceptorIn biochemistry,
Try hitting with a rubber mallet to loosen the ring. Then remove the disposal.
Looks more like a painting than a photo, Sorry mate. Try to work on material studies, glass is way more reflective than this, and brush up on your symmetry. Nice job with the metal though.