Choose the Correct Answer from the List Below

Choose the correct answer from the list below. Not all of the answers will be used.
-The ____________ protein binds to calcium ions and serves as a Ca2+ sensor in eukaryotic cells.

A) protein kinase A (PKA)
B) calmodulin
C) fatty acids
D) proto-oncogene
E) R₂C₂
F) R₁C₂
G) cAMP
H) phospholipase C
I) protein kinase C (PKC)
J) epinephrine
K) oncogene
L) small G proteins