Podcast
Questions and Answers
What is the mechanism of action of Phospholipase A2?
What is the mechanism of action of Phospholipase A2?
- Bind to negatively charged phospholipids inducing a conformational change (correct)
- Break ionic and hydrogen bonds with its charge
- Solubilize membrane proteins by interacting with water
- Interact with hydrocarbons due to its hydrophilic part
Which type of detergent can denature proteins?
Which type of detergent can denature proteins?
- Ionic detergents (correct)
- Non-ionic detergents
- Hydrophobic detergents
- Amphipathic detergents
What is the role of calcium in the catalysis of Phospholipase A2?
What is the role of calcium in the catalysis of Phospholipase A2?
- Interacts with hydrocarbons
- Binds to negatively charged phospholipids
- Positions the ester bond for cleavage (correct)
- Induces a conformational change in the enzyme
Which type of detergent lacks a charged group?
Which type of detergent lacks a charged group?
What type of membrane proteins contain membrane spanning α-helices?
What type of membrane proteins contain membrane spanning α-helices?
Which type of membrane protein has hydrophobic side chains interacting with fatty acyl groups?
Which type of membrane protein has hydrophobic side chains interacting with fatty acyl groups?
Which type of membrane proteins are responsible for antigen recognition in the T cell receptor?
Which type of membrane proteins are responsible for antigen recognition in the T cell receptor?
How many membrane-spanning helices does the bacterial protein Rhodopsin have?
How many membrane-spanning helices does the bacterial protein Rhodopsin have?
What is the structure of Aquaporin 0?
What is the structure of Aquaporin 0?
Where are porins typically found?
Where are porins typically found?
What type of side chains line the pore of the transmembrane protein described in the text?
What type of side chains line the pore of the transmembrane protein described in the text?
Which type of anchors are attached to the N-terminus of cytosolic proteins like v-src for membrane anchoring?
Which type of anchors are attached to the N-terminus of cytosolic proteins like v-src for membrane anchoring?
What is the name of the hydrocarbon chains attached to cysteine residues near the C-terminus for membrane anchoring?
What is the name of the hydrocarbon chains attached to cysteine residues near the C-terminus for membrane anchoring?
Which type of anchors are mentioned in the text as exoplasmic anchors for glycoproteins?
Which type of anchors are mentioned in the text as exoplasmic anchors for glycoproteins?
