Microtubules are composed of protein subunits known as:

A) myosin. B) keratin. C) tubulin. D) actin.


Answer: C

Anatomy & Physiology

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The number of bones in the axial skeleton in an adult is

A. 60. B. 70. C. 80. D. 100.

Anatomy & Physiology

The abdominopelvic cavity contains a moist serous membrane called the ________

A) pleura B) pericardium C) peritoneum D) mediastinum E) meninges

Anatomy & Physiology

Which structure anchors the thecal sac and conus medullaris to the coccyx?

A. Denticulate ligaments B. Pia mater C. Filum terminale D. Cauda equina

Anatomy & Physiology

During inspiration,

a. intra-alveolar pressure falls below atmospheric pressure. b. the diaphragm contracts. c. the internal intercostal muscles contract. d. both (a) and (b) above. e. all of these answers.

Anatomy & Physiology