Review for Enzyme Material

What are enzymes?

• Proteins that speed up chemical reactions

• Fats that store energy

• Sugars that provide energy

• Carbohydrates that break down food

Which of the following is a role of enzymes in the body?

• Providing structural support

• Transporting oxygen

• Speeding up chemical reactions

• Storing genetic information

Where are enzymes commonly found in the human body?

• Only in the liver

• In every cell

• Only in the stomach

• In the brain

True or False: All enzymes are proteins.

• True

• False

What factors can affect enzyme activity?

• Temperature and pH

• Color and smell

• Shape and size

• Pressure and light

What is a substrate in enzyme activity?The enzyme itself

• The enzyme itself

• The substance the enzyme acts on

• A type of sugar

• A vitamin

Which of the following is NOT true about enzymes?

• They work at specific temperatures and pH levels

• They are a type of protein

• They are only found in plants

• They are catalysts in chemical reactions

What does the term "denature" mean in relation to enzymes?

• An enzyme changes its shape and becomes inactive

• An enzyme increases its speed

• An enzyme becomes more efficient

• An enzyme multiplies

Which of these is an example of an enzyme?

• Hemoglobin

• Lipase

• Glucose

• DNA

True or False: Enzymes only work on one specific type of molecule (substrate).

• True

• False