Enzymes

Which letter represents the enzyme?

• A

• B

• C

• D

Which enzyme represents the substrate?

• A

• B

• C

• D

Which letter represents the product?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-2

What is the optimal temperature of this enzyme?

• 60

• 40

• 70

• 30

Enzymes are _______________ that _____________________ chemical reactions by ____________ the amount of activation energy required to start the reaction.

• carbohydrates, slow down, lowering

• proteins, speed up, increasing

• lipids, speed up, lowering

• proteins, speed up, lowering

A baby is locked in the car on a hot day. What is most likely to happen to the child?

• The child's body will adjust and cause it to maintain homeostasis

• The child's enzymes will denature causing chemical reactions to speed up in the body, which will lead to death.

• The child's enzymes will denature causing chemical reactions to slow down in the body, which will lead to death.

• The activation energy for chemical reactions will remain unchanged and therefore the child will live.

Tags

NGSS.HS-LS1-3

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

• a substrate

• an active site

• an enzyme

• a product

All of the following affect the functioning of an enzyme EXCEPT:

• pH

• temperature

• metabolism

• enzyme concentration, substrate concentration

Once a new product leaves an enzyme, the enzyme is unchanged and ready for the next substrate. What is this called?

• fragile

• reusable

• specific

• catalyst

Where do substrates bind to an enzyme?

• calcium channels

• active site

• receptor molecules

• voltage-gated channels