Chapter 4: Bacteria and Archaea
Chapter 4: Bacteria and Archaea additional genes - carried on plasmids an example of a glycocalyx is A. a capsule B. a pilus C. an outer membrane D. a cell wall - A: A CAPSULE archaea - constitute 3rd domain of life; many are adapted to extreme habitats (low/high temp., salt, pressure, or acidity) archaean flagella: - have different structure than bacterial flagella but same function (motility) arrangement of cells i s based on - number of planes in which a given species divides Bacilli planes: - divide only in the transverse plane; if they remain attached, they form palisades (chains) Bacteria and Archaea - ancient forms of cellular life; most widely dispersed bacteria and archaea are formally classified by - phylogenetic relationships and phenotypic characteristics Bacterial arrangement in packets of eight cells is described as a ____. A. micrococcus B. diploccocus C. tetrad D. sarcina - D: SARCINA bacterial cytoplasmic membrane is typically composed of - phospholipids and proteins; performs many metabolic functions as well as transport activities. Bacterial endospores usually function in A. reproduction
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