Which statements is false concerning the binding of o2, co2 and/or protons to hemoglobin?
a. the high pka of the c-terminal h creates a salt bridge to a d residue in the b-subunits and stabilizes the deoxy form of hb
b. o2 and co2 bind to the fe of the heme group, but o2 is stabilized by the distal h residue and co2 is not
c. protons bind to several amino acids in the hb molecule
d. the n-terminal of the hb chains transport carbon dioxide
e. oxygen binding causes the fe to move into the porphyrin plane resulting in movement at the a1b2 and a2b1 interfaces

First idea: suddenly, women were leaving their homes to cycle and socialize on country roads and city streets. —wheels of change, sue macy second idea: it was not a stretch for some cyclists to see the possibility of a larger role for women in the world. —wheels of change, sue macy what type of graphic organizer would best represent the connection between these two ideas? 1) a t-chart that separates ideas into two different categories 2) a chronology that shows 3) a sequence of several events a cause-and-effect graphic that shows how one idea led to another 4)a problem-solution graphic that presents a problem and a solution to the problem