What is the source of chemical energy used to power a muscle cell in your arm?

Question

Quizplus · Accepted Answer

Adenosine triphosphate (ATP) is the primary source of chemical energy used to power muscle cells, as it is produced through cellular respiration and can be rapidly broken down to release energy for muscle contraction. Pyruvic acid, nicotinamide adenine dinucleotide (NAD), and ribulose bisphosphate (RuBP) are all involved in different metabolic pathways, but do not serve as the primary source of energy for muscle cells.

What Is the Source of Chemical Energy Used to Power