enzymes: biological catalysts(unit 3)

Question 1

what is needed for a reaction to occur

Answer 1

particles must collide
particles must have enough energy to react
the energy of the collision depends on the speed of the particles and the angle they collide
the minimum energy needed for them to react is the activation energy

Question 2

what is a catalyst

Answer 2

a catalyst is a substance that speeds up a reaction

Question 3

what does the enzyme do

Answer 3

the enzyme lowers the activation energy needed

Question 4

whats catalytic activity

Answer 4

increase in the rate of a reaction caused by the inclusion of an enzyme

Question 5

whats a substrate

Answer 5

the molecule that is affected by the action of the enzyme

Question 6

whats the active site

Answer 6

the area of an enzyme where a substrate binds

Question 7

whats denatured

Answer 7

when the tertiary structure of the enzyme is changed

Question 8

how do you measure enzyme reaction

Answer 8

measuring decrease in substrate

measuring increase in product