Does an enzyme increase speed of reaction by decreasing concentration of reactants?

Question

anonymous · Answer

It is a MCQ..
How does an enzyme increase speed of reaction.
a)By adding activation energy..
b)by lowering activation energy requirements
c)by decreasing concentration of reactants.
d)by increasing concentration of product.

A far I know, Enzymes speed up reactions by providing an alternative reaction pathway of lower activation energy..Right?
So the answer should be..B?
Answer given in my Book is C..if C is correct than how? Explain...

anonymous · Answer

no its not c its b book should be wrong printing mistake or  contact author?

kayne · Answer

The answer is definitely B and is justified by the explanation you've provided. It must be a typo error.

anonymous · Answer

It really is B.