Cross-bridges are portions of

A) actin molecules.
B) myosin molecules.
C) troponin molecules.
D) tropomyosin molecules.
E) calcium ions.


Answer: B

Anatomy & Physiology

You might also like to view...

Schedule I drugs have the lowest potential for abuse and addiction

Indicate whether the statement is true or false

Anatomy & Physiology

Together the thalamus, hypothalamus, and epithalamus are called the

A) brain stem. B) gray matter. C) diencephalon. D) cerebellum. E) rhombencephalon.

Anatomy & Physiology

Which production system's goal is to raise a calf to market size and then sell it for profit?

a. back grounding system c. finishing system b. cow-calf system d. feedlot system

Anatomy & Physiology

Which of the following does not arise from the embryonic mesoderm?

A. The dermis B. The nervous system C. The mesothelium D. The skeletal system E. The blood vessels

Anatomy & Physiology