The Concentrations of Ions Inside and Outside of a Neuron

question 52

True/False

The concentrations of ions inside and outside of a neuron are maintained by sodium-chloride (Na+-Cl−) pumps.

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Definitions:

Myofibril

A long, slender contractile structure within muscle cells, composed of repeating units called sarcomeres, which are responsible for muscle contraction.

Actin

A protein that forms (together with myosin) the contractile filaments of muscle cells and is also involved in motion in other types of cells.

Myosin

A type of motor protein found in muscle cells, involved in muscle contraction through its interaction with actin.

Rigidity

The lack of flexibility or adaptability in processes, systems, or organizations that can hinder responsiveness and innovation.