DNA. complementary DNA (cDNA), copy DNA DNA transcribed from a specific RNA through the action of the enzyme reverse transcriptase. mitochondrial DNA (mtDNA) the DNA of the mitochondrial chromosome, existing in several thousand copies per cell and inherited exclusively from the mother.
Castor Oil. Castor oil is another good treatment for dry and chapped lips. Simply apply castor oil to your lips several times a day. You can also make a soothing treatment using one teaspoon of castor oil, one teaspoon of glycerin and a few drops of fresh lemon juice.
Armed with some of this knowledge on what can cause chapped lips, we can now practice the techniques discussed here to prevent and cure them. Weâll be so happy we did as we sail through this winter with smooth, moisturized lips. Images: deeeenise, 42954113@N00, smazurov/Flickr; Pixabay (2); Pexels (2)