#Question id: 640
#Section 2: General Biology
The data in the table above were collected for an enzyme-catalyzed reaction. The Km for this enzyme is approximately
#Question id: 2506
#Section 3: Genetics, Cellular and Molecular Biology
Which of the following is not typical of the “cargo” moved by molecular motors?
#Question id: 2145
#Section 2: General Biology
An electrogenic Na+ transporter:
#Question id: 2074
#Section 2: General Biology
In some cells, there are many ion electrochemical gradients across the plasma membrane even though there are usually only one or two proton pumps present in the membrane. The gradients of the other ions are most likely accounted for by:
#Question id: 1874
#Section 2: General Biology
Which of the following is the single immunodeficiency disease that most profoundly affects CD4-positive T-cells?