Enzymes Notes

​Put your Enzymes Notes in your notebook!

By Rebecca Parchman-Hitch

Multiple Choice

What do enzymes do?

• Build things up or break them down

• Help filter waste from the body

• Create environments where food can be eaten

• Add and remove water

Multiple Choice

Which category of macromolecules do enzymes belong to?

• Carbohydrates

• Proteins

• Fats/Lipids

Multiple Choice

Enzymes are specific. This means that an enzyme only works with molecules that are....

• the right size and shape

• broken down already

• present in water

• too big for the body to handle

Multiple Choice

Letter D...

• enzyme

• active site

• substrate

• products

Multiple Choice

Letter B...

• substrate

• active site

• enzyme

• products

Multiple Choice

Letter C...

• products

• substrate

• enzymes

• active site

Multiple Choice

Letter E...

• active site

• products

• substrate

• enzyme

Multiple Choice

An enzyme speeds up a reaction by

• raising the activation energy

• lowering the activation energy

• releasing energy

• absorbing energy.

Multiple Choice

What are two factors that can affect an enzymes ability to function?

• No changing

• temperature and pH

• night and day

• hot and cold

Multiple Choice

Which of the following conclusions can be drawn from this graph?

• 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 5.0 to 9.0
  
• The enzyme’s activity is greater around pH of 8.0 .
  

Multiple Choice

Based on the graph, what temperature does this enzyme work best? 

• 15 C
• 40 C
• 30 C
• 47 C

Multiple Choice

To change a protein so it no longer functions.

• Activate

• Enzyme

• Denature

• Substrate