Calcium and ATP are cofactors (nonprotein components of enzymes) required for the contraction of muscle cells. ATP supplies the energy, as described above, but what does calcium do? Calcium is ...

With longer periods of exercise our body adapts itself through changes on a molecular level. Any muscle contraction is powered through adenosine triphosphate (ATP). ATP is produced via three different ...

“Our body has three main energy systems,” Kirk-Odunubi tells us and all three use ATP (adenosine triphosphate) to create ...

These highly efficient and specialized proteins are responsible for a wide range of essential cellular processes, including muscle contraction, cell division ... The motor domain contains the ...

How nerves co-release multiple neurotransmitters like ATP and norepinephrine and how mitochondria help maintain smooth muscle cells in a quiescent and contractile state or phenotype. The stimulation ...