Enzymes and substrate fit together at the active site to form a lock and key mechansim. This means a) if they don't fit, it is the wrong substrate or the enzyme is denatured.

b) substrates work on enzymes, allowing them be be denatured.

c) the shape and size of the enzymes does not matter.

d) enzymes are not specific and work on a variety of substrates.

the answer is option b hope you understand

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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