B3.5 factors affecting enzyme action

Question 1

What happens to the rate of reaction when temperature increases

Answer 1

the rate of reaction increases

Question 2

what does temperature increase to to the enzyme

Answer 2

it gives the enzyme and substrate more kinetic energy so they move faster

Question 3

what does the enzyme and substrate moving faster mean

Answer 3

successful collisions will occur more often and more energetically

Question 4

what is the temperature the enzyme works best at

Answer 4

the optimum temperature

Question 5

what happens beyond the optimum temperature

Answer 5

the rate of reaction decreases

Question 6

what do high temperatures do to the enzyme

Answer 6

high temperatures break the bonds that hold the enzymes shape which changes the shape of the enzyme and the active site, so the substrate no longer fits into the active site and the enzyme becomes denatured

Question 7

different enzymes work best at different pH values

Answer 7

FACT!

Question 8

what happens if the pH is too high or low

Answer 8

the bonds and forces that hold the enzyme in shape are affected and the shape of the enzyme and active site is changed, substrate no longer fits in active site- enzyme denatured

Question 8

what happens if the pH is too high or low

Answer 8

the bonds and forces that hold the enzyme in shape are affected and the shape of the enzyme and active site is changed, substrate no longer fits in active site- enzyme denatured

Question 9

what happens if the pH is too high or low

Answer 9

the bonds and forces that hold the enzyme in shape are affected and the shape of the enzyme and active site is changed, substrate no longer fits in active site- enzyme denatured

Question 10

how do you calculate rate?

Answer 10

rate= 1/time(or 100/time or 1000/time)