Enzymes and digestion

Front

What is a substance called if it speeds up a chemical reaction?

Back

catalyst

Front

Which conclusion can be drawn from the graph regarding the enzyme's optimum pH? Options: The optimum pH of the enzyme is 6.6, The optimum pH of the enzyme is 5.8, The enzyme’s activity increases as pH increases from 5.0 to 9.0, The enzyme’s activity is greater around pH of 8.0.

Back

The optimum pH of the enzyme is 6.6.

Front

Enzymes are... (Options: nucleic acids, proteins, lipids, carbohydrates)

Back

proteins

Front

What happens when enzymes are heated to a high temperature?

Back

The shapes of the enzyme are altered denature

Front

Which enzyme breaks down starch?

Back

amylase

Front

Which enzyme is produced in the stomach?

Back

protease

Front

Name the part of the enzyme that has a special shape to fit the substrate.

Back

active site

Front

What does bile do to fat?

Back

emulsifies it into small droplets

Front

When lipase acts on fats, what are the products?

Back

glycogen and insulin

Front

Why does bile help fat digestion?

Back

It produces a larger surface area for lipase to work on