Enzymes are proteins

• True

• False

The optimum ph of pepsin is

• 5-5.5

• 2-3

• 7

• 8-9

Enzymes are _____________ at the end of a reaction

• changed

• denatured

• unaltered

• inactive

An enzyme with optimum temperature at 40 degree Celsius will _________________________ at 60 degree Celsius

• denature

• inactive

• increased reaction

Enzymes have a optimum ph

• true

• false

Enzymes break down and build up products

• true

• false

the enzyme amylase break down ?

• lactose

• glucose

• starch

• sucrose

The ________________ fits into the active site.

• enzyme

• substrate

• product

At the end of a reaction the molecules are called the products?

• true

• false

The active site and the substrate have ______________ in common

• size

• colour

• shape

• smell