#Question id: 2202
#XL - Q Biochemistry
The distribution of K+ across an artificial membrane was measured, and the concentrations were found to be equal on both sides. Which of the following statements is true about the distribution of K+?
#Question id: 2204
#XL - Q Biochemistry
A mutant channel protein is expressed in an oocyte. Compared to patch clamping experiments in oocytes expressing the normal channel, the length of downward deviations is diminished by half. This indicates:
#Question id: 2205
#XL - Q Biochemistry
Amino acid entry into cells can occur via uniporters or symporters. If the rate of leucine entry into the cell increases when the pH decreases, this suggests:
#Question id: 2207
#XL - Q Biochemistry
Why was it unexpected that transporter proteins are required for transmembrane fatty acid transport?
#Question id: 2208
#XL - Q Biochemistry
Which of the following statements is a reasonable explanation for why unsaturated fatty acids help keep a membrane more fluid at lower temperatures?
#Question id: 2210
#XL - Q Biochemistry
Which of these is a general feature of the lipid bilayer in all biological membranes?