Title: 07_Enzymatic_Crosslinking

Factor XIII

Q: What is factor XIII?
- An enzyme that crosslinks fibrin (correct)
- An ionic chemical species that stabilizes crosslinks
- A chemical bond found in enzymatic crosslinks
- An antibody that facilitates crosslinking

Adding Calcium Chloride

Q: Why do we add calcium chloride into the mixture?
- As a Factor XIII cofactor (correct)
- As a crosslinking reagent
- As a salinity stabilizer
- As a buffer for crosslinking reaction

PEG

Q: PEG is a synthetic polymer which offers a more diverse and adjustable set of material properties. Modifications of PEG that allow it to be enzymatically crosslinked with transglutaminase are the addition of the … and … groups.
- Lysine, Glutamine (correct)
- Histidine, Glycine
- Lysine, Leucine
- Glycine, Arginine

Choose the correct statement.