Zara's cards

Question 1

What does it mean when an enzyme has been denatured?

Answer 1

If enzymes are exposed to extremes of pH or high temperatures the shape of their active site may change. If this happens then the substrate will no longer fit into the enzymes.

Question 2

How does surface area to volume ratio affect movement of substances?

Answer 2

When a cell’s surface area increases, the amount of substances diffusing into the cell increases. As volume and surface area increase, the volume increases faster,