The Activation of Additional Motor Units in a Skeletal Muscle

question 10

True/False

The activation of additional motor units in a skeletal muscle, in order to increase muscle tension, is called motor unit recruitment.

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Definitions:

Chromatin

A complex of DNA and proteins found in the nucleus of cells, which condenses to form chromosomes during cell division.

Nucleolus

A structure within the nucleus of a cell where ribosomal RNA is produced.

Microtubules

Cylindrical structures within the cell that are part of the cytoskeleton, helping in cell shape, division, and intra-cellular transport.

Centrioles

Cylindrical structures found in animal cells that are involved in the development of spindle fibers in cell division.