Factors Affecting Enzyme Action

Question 1

Temperatures Affect the Rate at Which _____________ Reactions Take Place.

Answer 1

Chemical.

Question 2

What are Biological Reactions Affected By?

Answer 2

• Concentration.
• Temperature.
• Surface Area.

Question 3

Reactions that Take Place in Cells Happen at Low _________________.

Answer 3

Temperatures.

Question 4

The Rate of Enzyme-Controlled Reactions Increases as the Temperature _____________.

Answer 4

Increases.

Question 5

Most Human Enzymes Work Best at ___°C.

Answer 5

37.

Question 6

Without Enzymes, None of the _____________ in Your Body would Happen Fast Enough to Keep You ________.

Answer 6

Reactions…Alive…

Question 7

Bacteria Living in Hot Springs Survive at Temperatures Up To ___°C. Some Bacteria that Live in the Cold have Enzymes that Work Efficiently Below __°C.

Answer 7

80…0…

Question 8

The Shale of the Active Site of an Enzyme Comes From Forces Between the Different Parts of the __________ Molecule. These Forces Hold the Folded __________ in Place. A Change in pH Affects these __________.

Answer 8

Protein…Chains…Forces…

Question 9

Different Enzymes Work Best at Different ____ Levels. A Change in pH Can Stop them ___________ Completely.

Answer 9

pH…Working…