#Question id: 151
#Section 2: General Biology
The isoelectric point of alanine is pH = 6.15. It is mixed with proline (pHCOOH = 2.0; pHNH2= 10.6), and the mixture is placed in an electric field at pH 6.15. Which statement is true?
#Question id: 552
#Section 2: General Biology
Which of the following is true of the binding energy derived from enzyme-substrate interactions?
#Question id: 2063
#Section 2: General Biology
#Question id: 34
#Section 2: General Biology
Which of the following is true of any (S)-enantiomer?
#Question id: 1126
#Section 3: Genetics, Cellular and Molecular Biology
Which of the following statement(s) is (are) true of the α subunit of a G protein?
a. It physically associates with the receptor.
b. It binds GDP.
c. It binds GTP.
d. It is a transmembrane protein.