Which of the following best describes the term "Z line"?

A) protein that accounts for elasticity of resting muscle
B) repeating unit of striated myofibrils
C) storage site for calcium ions
D) where thin filaments are anchored
E) largely made of myosin molecules


Answer: D

Anatomy & Physiology

You might also like to view...

In other mammals, the ________ glands function as scent glands, providing an important form of communication.

A) eccrine B) sebaceous C) apocrine D) mammary E) merocrine

Anatomy & Physiology

The vital centers for the control of heart rate, respiration, and blood pressure are located in the ________.

A) pons B) medulla C) midbrain D) cerebrum

Anatomy & Physiology

Type II cells that line the alveoli are responsible for the production of ________.

A. carina B. surfactant C. carbon dioxide D. nitrogen

Anatomy & Physiology

Autoimmune disorders are the opposite of immunodeficiency disorders

Indicate whether the statement is true or false.

Anatomy & Physiology