CIE IG Enzymes

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

Tags

NGSS.MS-LS3-1

Each enzyme only has 1 substrate that will fit its active site.  What is this called?

• reusable
• catalyst
• specific
• fragile

What 3 letters do enzymes typically end in?

• -ose
• -ase
• -ese
• -tic

Any substance that is acted upon by an enzyme is called a(n)?

• Coenzyme
• Substrate
• Vitamin
• Polypeptide

Tags

NGSS.MS-LS1-7

After the enzyme and substrate bind together and perform the reaction, what does the substrate become?

• a substrate
• an enzyme
• a product
• an active site

In the diagram, what is letter A? 

• product
• substrate
• enzyme-substrate complex
• active site

Tags

NGSS.MS-LS1-7

Enzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called the

• enzyme substrate complex.
• reaction site.
• active site.
• lock and key.

What is the Independent Variable in the experiment above?

• Volume of amylase

• Temperature

• Time taken for the starch to be digested.

• Colour of the iodine solution

What is the dependent variable in the experiment above?

• Volume of amylase

• Temperature

• Time taken for the starch to be digested.

• Colour of the iodine solution

Which would be a sensible control variable in this investigation?

• Volume of amylase

• Temperature

• Time taken for the starch to be digested.

• Colour of the iodine solution