#Question id: 2121
#Section 2: General Biology
Which of the following membrane activities requires energy from ATP hydrolysis?
#Question id: 2122
#Section 2: General Biology
The inner (plasma) membrane of E. coli is about 75% lipid and 25% protein by weight. How many molecules of membrane lipid are there for each molecule of protein? (Assume that the average protein is Mr 50,000 and the average lipid is 750.)
#Question id: 2123
#Section 2: General Biology
Which of these statements about the composition of membranes is true?
#Question id: 2124
#Section 2: General Biology
An integral membrane protein can be extracted with:
#Question id: 2125
#Section 2: General Biology
The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.
#Question id: 2126
#Section 2: General Biology
A hydropathy plot is used to: