This contrasts with the cell walls of fungi (which are made of chitin), and of bacteria, which are made of peptidoglycan. Cell walls perform many essential functions: they provide shape to form the tissue and organs of the plant, and play an important role in intercellular communication and plant-microbe interactions.
Chris and Taya Kyle met in 2001 and married just before he deployed for the first time at the start of the Iraq war, according to the book. Chris Kyle would deploy three more times to Iraq before retiring in 2009.
Things are getting serious for new couple Rachel McAdams and Taylor Kitsch! The True Detective costars have been quietly dating for less than a year, but that's not stopping the famous duo from taking their relationship to the next level. RELATED: 'Gotham' Stars Ben McKenzie and Morena Baccarin Welcome a Baby Girl!