Enzymes are a type of _________. They speed up chemical reactions in the body.

Enzymes are biological catalysts that the body makes from ________.

Carbohydrase enzymes break down carbohydrates, lipase enzymes break down lipids and protease enzymes break down proteins. What is the common suffix used for naming enzymes?

The image shows the enzyme amylase breaking down __________ into sugar.

The image shows the enzyme amylase breaking down starch into sugar. Sugar is the _______ of the reaction.

The image shows the enzyme amylase breaking down starch into sugar. Starch is the _______ of the reaction.

Each type of enzyme has an active site that is a specific shape. Due to this shape, each type of enzyme only fits with one type of substrate. Which substrate does the enzyme shown in the image fit with?

Each type of enzyme has an active site that is a specific shape. Due to this shape, each type of enzyme fits with . . .

The lock and key model shows that only one shape of key will fit a specific lock. Once the substrate has fitted perfectly into the active site it forms an _____________

When the active site of an enzyme changes shape due to heat or pH, the enzyme is _________.

The graph shows that as temperature increases from 0 °C to 40 °C, enzyme activity . . .

The graph shows that the optimum (best) temperature for enzyme activity is ____ °C.

The graph shows that when the temperature rises above 40 °C, enzyme activity . . .

Above 40 °C enzymes will ____

Enzyme activity decreases rapidly at temperatures above 50 °C because . . .

The enzyme pepsin works in the stomach to help to digest proteins. This suggests that the stomach has a pH range between pH _____ and pH ______.

The stomach produces _______to help to digest proteins.

Look at the graph. The enzyme amylase works in the mouth. This suggests that the mouth has a pH range between pH ____ and pH ____.

What is the name of the chemical produced in the liver that neutralises the pH of the contents of the small intestine?

Which organs produce lipase enzymes?

Which organs produce protease enzymes?

Which organs produce amylase enzymes?

which reagent is used to test for starch

If there is a positive test for starch the reagent will go from _____ to ____

which reagent is used to test for sugar

which reagent is used to test for protein

If there is a positive test for protein the reagent will go from _____ to ____

which reagent is used to test for fat

Villi in the small intestines are finger like projections with millions of microvilli. Which one is NOT a feature to help absorption to happen efficiently?

Amylase catalyses a reaction to break down _______

Protease catalyses a reaction to break down _______

Lipase catalyses a reaction to break down _______

Starch is broken down into

Protein is broken down into

Fat (lipid) is broken down into (2)