The data below show the binding of oxygen to squid hemocyanin. [O2] fB x100 [O2]
ID: 909209 • Letter: T
Question
The data below show the binding of oxygen to squid hemocyanin.
[O2]
fB x100
[O2]
fB x100
1.13
0.30
136.7
55.7
5.55
1.33
166.8
67.3
7.72
1.92
203.2
73.4
10.72
3.01
262.2
79.4
31.71
8.37
327.0
83.4
71.87
18.96
452.8
87.5
100.5
32.90
566.9
89.2
123.3
47.80
736.7
91.3
Determine from a Hill plot whether the binding of oxygen to squid hemocyanin is non- cooperative, fully cooperative or partially cooperative. Determine the MINIMUM number of binding sites consistent with the data.
[O2]
fB x100
[O2]
fB x100
1.13
0.30
136.7
55.7
5.55
1.33
166.8
67.3
7.72
1.92
203.2
73.4
10.72
3.01
262.2
79.4
31.71
8.37
327.0
83.4
71.87
18.96
452.8
87.5
100.5
32.90
566.9
89.2
123.3
47.80
736.7
91.3
Explanation / Answer
The data below show the binding of oxygen to squid hemocyanin. [O2] fB x100 [O2]