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, 43, 'pregnant with baby number three with husband Gavin Rossdale'. Gwen Stefani is pregnant with her third child with husband Gavin Rossdale, it has been claimed. The 43-year-old singer, who is already mother to sons Kingston, seven, and five-year-old Zuma with her Bush rocker spouse, is said to be thrilled about the news, according to America's In Touch Weekly magazine. A source told the publication: 'Gwen and Gavin couldn't be happier.