Answer:
They both are enzymes. Enzymes are usually substrate specific or reaction specific where an enzyme catalyzes or inhibits a reaction. Lactase works on lactose sugar but not on other sugars. This is an example of substrate specificity of enzyme.
Explanation:
correct
why
Mice have four legs, four feet and one tail per unit-mouse.
Africa or any middle Asia
Because the weather is dependent on the sun... In the morning when there is sun, it gets much hotter and warmer...
In the night when the sun is gone the temp gets little lower and make it colder