Podcast
Questions and Answers
Which type of proteins bind fatty acids and get inserted into the membrane?
Which type of proteins bind fatty acids and get inserted into the membrane?
- Peripheral proteins
- Lipid-anchored proteins (correct)
- Integral proteins
- Translocases
What is the main method used to study the mobility of molecules in living cells?
What is the main method used to study the mobility of molecules in living cells?
- Electron microscopy
- Fluorescence microscopy
- FRAP (correct)
- Immunofluorescence
Which proteins move phospholipids between layers and maintain lipid asymmetry?
Which proteins move phospholipids between layers and maintain lipid asymmetry?
- Integral proteins
- Peripheral proteins
- Lipid-anchored proteins
- Translocases (correct)
Which model envisions the membrane as a fluid bilayer of lipids with a mosaic of associated proteins?
Which model envisions the membrane as a fluid bilayer of lipids with a mosaic of associated proteins?
Which type of proteins form weak and reversible associations to the membrane, typically through binding to integral membrane proteins?
Which type of proteins form weak and reversible associations to the membrane, typically through binding to integral membrane proteins?
What type of post-translational modification results in attachment of hydrophobic prenyl groups that anchor small GTPase proteins to intracellular membranes?
What type of post-translational modification results in attachment of hydrophobic prenyl groups that anchor small GTPase proteins to intracellular membranes?
Which protein is an example of a lipid-anchored membrane protein?
Which protein is an example of a lipid-anchored membrane protein?
What is the process by which a carbohydrate is covalently attached to a target macromolecule?
What is the process by which a carbohydrate is covalently attached to a target macromolecule?
Which type of proteins are only on one side of the membrane and 100% embed into a single face of the membrane?
Which type of proteins are only on one side of the membrane and 100% embed into a single face of the membrane?
What type of proteins mediate cell adhesion and cell-cell communication, and keep cells together through cadherin to cadherin binding?
What type of proteins mediate cell adhesion and cell-cell communication, and keep cells together through cadherin to cadherin binding?
Which protein is shown in an open inward conformation on the right?
Which protein is shown in an open inward conformation on the right?
What kind of proteins are covalently bound to fatty acids or isoprenyl groups?
What kind of proteins are covalently bound to fatty acids or isoprenyl groups?