Grade 9 A - Biology - 2nd monthly exam AY 2020/2021

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

Tags

NGSS.MS-LS3-1

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

Tags

NGSS.MS-LS1-7

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

Letter D...

• active site
• enzyme
• substrate
• products

Tags

NGSS.MS-LS1-7

Letter B...

• active site
• enzyme
• substrate
• products

Tags

NGSS.MS-LS1-7

In a chemical reaction, ________ are what you have at the end

• Products

• Molecules

• Reactants

• Substances

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5