L1 /   
7
CH1012
SOME BIOLOGICAL EXAMPLES
1. Cyanohydrins
2. Imines R1R2C=NR3
Naturally occurring mandelonitrile is found in the millipede Apheloria corrugata as a defense mechanism. when Apheloria is about to be attacked, mandelonitrile decomposes enzymatically  into benzaldehyde and a poison (hydrogen cyanide).
Glucose -> 2 x pyruvate