A Benefit of the Many Steps Involved in a Protein

Multiple Choice

A benefit of the many steps involved in a protein kinase cascade is that they involve

A) a large energy expenditure in communicating a signal.
B) amplification of the signal being communicated.
C) many genes that need to be expressed.
D) many enzymes whose biological activity must not be compromised.
E) transfer of a signal across large distances within a cell.