Skeletal muscle cells also rely on chemical signals ... in response to a signal and permit rapid ion movement across the cell membrane. The opening of just a single ion channel alters the ...

Like the exterior walls of a house, the plasma membrane is semi-permeable ... For example, when oxygen levels are low, skeletal muscle cells rely on glycolysis to meet their intense energy ...

New research shows that a network of subcellular structures similar to those responsible for propagating molecular signals that make muscles contract are also responsible for transmitting signals in ...

Most cells share features such as having a nucleus, a cell membrane, cytoplasm and mitochondria ... like that in the anus. Skeletal muscle is joined to bones. Its cells contract to make bones ...

Researchers have discovered a new mechanism that is used by a male sex hormone essential for muscle and bone function. The ...