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.
Chris Kyleâs widowâs most noticeable accessory Sunday night at the Academy Awards wasnât her emerald green gown or her studded clutch, but something she brought with her that belonged to her late husband: his dog tags. Taya Kyle, whose husbandâs life inspired âAmerican Sniper,â hadnât expected to make it to the Hollywood event. âI wanted to support everyone who made this movie representing real veteran families, but I didnât think I had the energy to show up at the Oscars, let alone be presentable,â she said before the show.