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shubham rajput

· started a discussion

· 1 Months ago

wrong answer (Question: 189916.0 )

answer is A

Question:
Cyanide Poisoning causes death in seconds because –  
Options:
A) It causes cardiac arrest
B) It breaks the electron transport chain
C) It causes lysis of red blood cells
D) None of the above
Solution:
Ans:(b) Cyanide poisoning causes death in seconds because it breaks the electron transport chain.  

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

Given answer is correct.
Cyanide blocks the oxidation of glucose inside a cell by forming a stable complex with the oxidation enzymes. Certain enzymes of our body cells, like cytochrome oxidases, contain iron and copper atoms. They normally act by providing electrons for the reduction of oxygen in the cell. Cyanide ties up those mobile electrons, rendering them unavailable for the reduction process.

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