The structures within a sarcomere composed of titin are ________ filaments.
Fill in the blank(s) with the appropriate word(s).
elastic
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Which nerve carries sympathetic fibers that increase both heart rate and force of contraction?
A. Phrenic nerve B. Vagus nerve C. Sympathetic nerve from the cervical ganglion D. Sympathetic nerve from the celiac ganglion E. Glossopharyngeal nerve
The sarcomere lies within the boundaries of which of these structures?
a. A bands b. H bands c. I bands d. sarcoplasmic reticulum e. Z lines
Catabolism within cells liberates energy, which is then captured and used to phosphorylate ADP to form ________.
Fill in the blank(s) with the appropriate word(s).
Which is true regarding the process of meiosis?
A. Most growth in the body is accomplished through meiosis. B. Meiosis results in identical sex cells. C. Meiosis forms haploid daughter cells from a diploid cell. D. Meiosis begins in a haploid state and concludes in the diploid condition. E. Meiosis is represented by the notation: n ? 2n.