Petroleum jelly clean a variety of surfaces, ranging from makeup removal from faces to tar stain removal from leather. Petroleum jelly is used to moisturize the paws of dogs, and to inhibit fungal growth on aquatic turtles’ shells. It is a common ingredient in hairball remedies for domestic cats. Petroleum jelly is very sticky and hard to remove from non-biological surfaces with the usual and customary cleaning agents typically found in the home. It may be dissolved with paint thinner or other petroleum solvents such as acetone, which dissolves many plastics. Petroleum jelly is slightly soluble in alcohol. To avoid damage to
Egg jelly sulfated fucan glycoproteins play an important role in binding to sperm receptors and triggering the acrosomal reaction. Many other functions for the egg jelly have been proposed including sperm agglomeration, protection from mechanical stress and polyspermy, and increasing the size of the egg to improve its chances of colliding with sperm. In addition to the sea urchin, egg jelly appears in many species including invertebrates and mammals, and can vary in composition and complexity from the relatively homogenous single layer sea urchin egg to the three layer egg jelly in starfish. Egg jelly Egg jelly(extracellular layer", "jelly coat) is a