Carbohydrates, lipids -- also known as fats -- nucleic acids, and proteins are the four major classes of biomolecules, or molecules that form the structural and functional components of cells. Each of these types of molecules consists of a carbon skeleton, or backbone, explain Drs.
Teen Mom Kailyn Lowry and her boyfriend Javi Marroquin are expecting their first child together. Credit: INFphoto.com. Kailyn Lowry is ready for baby No. 2! The Teen Mom 2 star is expecting her first child with husband Javi Marroquin, multiple sources confirm to Us Weekly. Kail is pregnant, a source confirms to Us.
Gwen Stefani Is Pregnant With Her Third Child (REPORT) Gwen Stefani is allegedly pregnant with her third child, according to multiple reports. InTouch magazine first reported Wednesday morning that Stefani was pregnant with baby number three. She already has two sons -- Kingston, 7, and Zuma, 5 -- with husband Gavin Rossdale, whom she married in 2002.