Match each of the terms with its definition or explanation.
-Protein that makes up the thick myofilament

Question

Quizplus · Accepted Answer

Myosin is the protein that makes up the thick myofilament.

Answer: A
 Skeletal muscle refers to the type of muscle tissue that is attached to bones and helps with movement of the skeleton.

Answer: E
 Actin is the protein that makes up the thin myofilament.

Answer: D
 Insertion refers to the point where a muscle attaches to a bone that moves when the muscle contracts.

Answer: C
 Origin refers to the point where a muscle attaches to a fixed bone that does not move when the muscle contracts.

Answer: H
 The neuromuscular junction is the point where a nerve fiber connects to a muscle fiber.

Answer: G
 A motor unit is a single motor neuron and all the muscle fibers it controls.

Answer: I
 Isotonic refers to a type of muscle contraction in which the muscle changes length and moves a load.

Answer: J
 Isometric refers to a type of muscle contraction in which the muscle generates force but does not change length or move a load.

Match Each of the Terms with Its Definition or Explanation