The immediate source of energy for all cellular activity, including the contraction of muscle fibers is
A) Phosphocreatine (PCr)
B) Adenosine Triphosphate (ATP)
C) Adenosine Diphosphate (ADP)
D) Glucose
Answer: B
The immediate source of energy for all cellular activity, including the contraction of muscle fibers is
A) Phosphocreatine (PCr)
B) Adenosine Triphosphate (ATP)
C) Adenosine Diphosphate (ADP)
D) Glucose
Answer: B