Homework Answers
1 formalin from aldehyde family disinfect
crosslinking functional group.
a) formlin, carcinogen action - wrong
- formalin is a human carcinogen that does not disinfect by carcinogen action.
b) glutaraldehyde, denaturing protein and inactive nucleic acid - wrong
- glutaraldehyde used as effective disinfection by crosslinking functional groups.
c) copper, -NH group of proteins - wrong.
- copper is not from the aldehyde family.
d) formalin, crosslinking functional group - correct
- As formalin is formaldehyde dissolved in water it disinfects by making crosslinks with amino groups of bacterial protein and killing them.
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