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.

Question

Quizplus · Accepted Answer

The many steps involved in a protein kinase cascade result in amplification of the signal being communicated. This amplification allows the signal to be transmitted to many downstream targets and enhance the cellular response.

A Benefit of the Many Steps Involved in a Protein