The functional contractile unit of a skeletal muscle fiber is called a ________.

Fill in the blank(s) with the appropriate word(s).


sarcomere

Anatomy & Physiology

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What type of epithelium lines the majority of the oral cavity?

A. Nonkeratinized stratified squamous B. Keratinized stratified squamous C. Keratinized stratified cuboidal D. Pseudostratified ciliated columnar E. Nonkeratinized stratified cuboidal

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The Na+/K+-ATPase carrier transports sodium ions out of cells and potassium ions into cells on a one-to-one basis

Indicate whether the statement is true or false.

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Directional terms are important in the study of anatomy. What does "B" represent?

A. median B. right C. left D. inferior E. lateral

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A three-base sequence on DNA and therefore RNA codes for a(n)

A. amino acid. B. fatty acid. C. glucose. D. steroid.

Anatomy & Physiology