Where in a protein structure are basic groups located?
A) at the N-terminal end
B) at the C-terminal end
C) on the Lys, Arg and His side chains
D) both A and C
E) none of the above
Question 2
At 1 atm pressure, the heat of sublimation of gallium is 277 kJ/mol and the heat of vaporization is 271 kJ/mol. To the correct number of significant figures, how much heat is required to melt 4.50 mol of gallium at 1 atm pressure?
A) 6 kJ
B) 27 kJ
C) 250 kJ
D) 274 kJ
