10) Enzymes

Question 1

To carry out metabolic reactions quickly, cells use proteins called e_________.

Answer 1

enzymes

Question 2

Enzymes take r__________ and turn them into p__________.

Answer 2

reactants

products

Question 3

Any molecule that can have a reaction catalysed by an enzyme is called a s_________.

Answer 3

substrate

Question 4

The number of substrates and enzyme can catalyse in one minute is called the
enzyme’s t__________ n________.

Answer 4

turnover number

Question 5

Substrates bind to the r______ p_________ of an enzyme called its
a______ s______.

Answer 5

reactive part

active site

Question 6

A substrate will only bind with an active site if it is the c_________ s__________.

Answer 6

correct shape

Question 7

Therefore, every substrate will have a s__________ e_________ that it can bind with.
This is known as c_________ b____________.

Answer 7

specific enzyme

complementary binding

Question 8

The ability of an an enzyme to function is affected by the __ s________ of its
a__________ s__________.

Answer 8

3D shape

active site

Question 9

The shape of its active site can be affected by:

a) The ___ of its environment
b) T_________
c) I________ or c_________

Answer 9

PH
temperature
inhibitors/cofactors

Question 10

Inhibitors can s______ enzymes from working.

Answer 10

stop

Question 11

Cofactors can b_____ to active sites and i________ their function.

Answer 11

bind

improve