6.  For each description of a cell, tell me if the cell is a…

6.  For each description of a cell, tell me if the cell is a member of Bacteria, Archaea, or Eukarya.  (6 pts – 3 ea.)      a) A cell possesses a nucleus, mitochondria, lysosomes, and other membrane-bound compartments.  It has diploid DNA.  The cell membrane consists of glycerols in ester linkage to straight-chain fatty acids.        b) A cell possesses no nucleus or mitochondria.  It has haploid DNA.  The cell membrane consists of glycerols in ether linkage with branched alkyl groups.  

27. Organize the items listed into the proper sequence of ev…

27. Organize the items listed into the proper sequence of events for gas exchange. a: O2 is transported to cells by the circulatory system. b: O2 is drawn into the lungs during inhalation. c: Cells use O2 and generate CO2. d: CO2 is exhaled. e: The circulatory system transports CO2 to the lungs.