Question

Which term identifies proteins that allow muscles to shorten it lengthen

Answer 1

The answer would be contractile. Hope this helps you

Answer 2

Contractile protein

Step-by-step explanation:

Contractile proteins are involved in muscle contraction and movement, for example, actin and myosin.

Contractile proteins are proteins that mediate sliding of contractile fibres (contraction) of a cell's cytoskeleton, and of cardiac and skeletal muscle.