Which of the following is not true of a protein kinase cascade?
A) The signal is amplified.
B) A second messenger is formed.
C) Target proteins are phosphorylated.
D) The cascade ends up at the mitochondrion.
E) The cascade begins at the plasma membrane.

Question

Quizplus · Accepted Answer

Protein kinase cascades do not typically end up at the mitochondrion. They usually end at the nucleus or cytoplasm where target proteins are phosphorylated, leading to changes in cellular behavior.

Which of the Following Is Not True of a Protein