A “typical” active site of an enzyme:

(There are 3 correct answers)

True or False?

Differences in free energy (∆G) between substrates and products will be inconsistent with reaction equilibrium.

True or False?

Many enzymes require cofactors such as co-enzymes or metals for activity.

My level of understanding of these topics before starting this lesson was:

Transition states are seldom seen in nature. Why?

How does an enzyme decrease the activation energy for a reaction?

This is a 3-D structure of the Lysozyme protein.

In this diagram which letter represents the active site of the enzyme?

True or False?

Disulphide bridges between serine side chains are covalent bonds involved in the maintenance of the tertiary structure.

Which amino acids typically have ionised side chains pH 7.0?

(There are 5 correct answers)

Two major elements of secondary structure are shown above. B represents: