Question: Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in
[A].blood
saliva
intestine
gland
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.