Organelles Are surrounded by one or two layers of unit membrane.
This includes: nucleus, mitochondria, lysosomes, peroxiosomes, endoplasmic reticulum (smooth and rough), Golgi complex, Phagosome
Primary succession occurs in essentially lifeless areas while secondary succession happens where there were previous communities
Muscle contraction occurs when the brain tells the body to move. The brain ... Muscle cramps are primarily caused by a lack of ATP in the body. ... The function of potassium inside the muscle cell is to repolarize the membrane.
C is most likely your answer (my bad if I am wrong)
