What is the name for the bundles of skeletal muscle fibers in a whole muscle?
Ans: Fascicles
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Peristalsis is the _____
A) movement of the muscular layer surrounding the alimentary canal that is under voluntary control B) rhythmic waves of contraction of the muscular layer surrounding the alimentary canal that are responsible for moving contents of the lumen along the length of the digestive tract C) movement of nerve impulses from the central nervous system to the autorhythmic smooth muscle cells D) rhythmic lengthening and shortening of epithelial cells lining the lumen of the alimentary canal
Which of the following individuals introduced the terms “aerobes” and “anaerobes”?
A) Anton van Leeuwenhoek B) Louis Pasteur C) Robert Koch D) Rudolf Virchow
Which are possible results of an intragenic inversion (an inversion contained within a gene)? (Select all that apply.)
A) A normal protein may be produced. B) Some of the gene's DNA sequences will be adjacent to DNA sequences to which they are not normally adjacent. C) All of the gene's A, C, G, and T bases remain in the same order as normal. D) The order of genes along the chromosome may be different than normal.
Which of the following are protein filaments that function in muscle contraction and are shaped like a golf club with two heads?
A) intermediate filaments B) myosin filaments C) myofilaments D) actin filaments