D103 Test Questions with Correct Answers
Which factors are likely to lead to a decrease in membrane fluidity?
An increase in the number of phospholipids with long hydrophobic tails
Which of the following organisms is most likely to have the highest percentage of
unsaturated fatty acid chains in their membranes?
Antarctic bacterium
Review - Draw a eukaryotic cell with all its membranes. Which leaflet of a membrane
faces
a) the inside of the vesicle
b) the inside of the organelle. Such as the ER?
a) exoplasmic leaflet
b) exoplasmic leaflet
Which of the following provides the BEST explanation for why Ketoconazole is a
successful anti-fungal drug?
It kills by increasing the fluidity of the fungal PM
Which of these "hydrophobicity plot (A-C) - transmembrane protein (a-c)" pairs is
most correct?
A,b B,c C,b
Which of these three 20 amino acid-long sequences is the most likely candidate for a
transmembrane domain?
A)
Which factors are likely to lead to a decrease in membrane fluidity?
An increase in the number of phospholipids with long hydrophobic tails
Which of the following organisms is most likely to have the highest percentage of
unsaturated fatty acid chains in their membranes?
Antarctic bacterium
Review - Draw a eukaryotic cell with all its membranes. Which leaflet of a membrane
faces
a) the inside of the vesicle
b) the inside of the organelle. Such as the ER?
a) exoplasmic leaflet
b) exoplasmic leaflet
Which of the following provides the BEST explanation for why Ketoconazole is a
successful anti-fungal drug?
It kills by increasing the fluidity of the fungal PM
Which of these "hydrophobicity plot (A-C) - transmembrane protein (a-c)" pairs is
most correct?
A,b B,c C,b
Which of these three 20 amino acid-long sequences is the most likely candidate for a
transmembrane domain?
A)
