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A protoxin is...

A protoxin is

A

A primitive toxin

B

A denatured toxin

C

Toxin produced by protozoa

D

Inactive toxin

Text Solution

Verified by Experts

The correct Answer is:
D
A chemical compound that only becomes a toxin after it is altered in some way. For example the Bt protoxins (e.g. cry 9c, cry 1Acb, cry 1a etc.) only become toxic after they are chemically altered by the alkaline environment inside the gut of certain insects.
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