Enzymes Quick Check

Enzymes are specialized __________ that work as __________________.

• Catalysts, Proteins

• Lipids, Catalysts

• Catalysts, Lipids

• Proteins, Catalysts

Place the following events in order A. Product leaves the enzyme, B. Substrate connects to enzyme, C. Active site changes shape in the enzyme-substrate complex

• ABC

• BCA

• CBA

• CAB

 Enzymes work by lowering activation energy, which is

• Energy needed to start chemical reaction

• Energy required to break hydrogen bonds

• Energy released from chemical reaction

• Energy conserved during catalytic process

Tags

NGSS.HS-PS1-4

Which of the following will most likely affect enzyme activity?

• light

• heat

• gravity

• karma

Enzymes are specific.  What is the meaning of this statement?

• There are many types of enzymes

• Enzymes only work on certain substrates they can connect with

• Enzymes are only affected by one environmental condition

• None of these answers is correct

Identify the substrate

• A

• B

• C

• D

• E

Identify the product(s)

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS1-2

Which of the following is NOT an enzyme?

• catalase

• galactase

• lactase

• sucrose

After an enzyme catalyzes a reaction

• it permanently changes shape

• it can be reused

• it is denatured

• it becomes part of the product

Where do reactants bind to an enzyme during a biochemical reaction?

• catalyst

• substrate

• active site

• glycerol