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.
Most Shared. Why Lip Oil Is the Next-Level Cure for Chapped Lips. Recently, before heading to the airport for a transatlantic flight, I grabbed a rogue bottle of Clarins Instant Light Lip Comfort Oil from my desk as an afterthought and stuck it into my coat pocket. Mid-flight, I woke, parched, pout dry to the point of splitting.