Cytokinesis begins with the formation of an indentation around the cell called the
A. cleavage furrow.
B. centromere.
C. equator.
D. asters.
Answer: A
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Tissue that contains large amounts of actin and myosin is ________ tissue.
A) epithelial B) nervous C) areolar D) osseous E) muscle
The origin of a muscle is its
a. main, thickest part b. middle, thinner part c. movable end of attachment d. source of development in the fetus e. stationary end of attachment
Which of the following digestive regions is responsible for the propulsion of materials into the esophagus?
a. pharynx b. salivary glands c. gallbladder d. stomach
During the act of drinking water, the desire for water is usually inhibited by
A. Distension of the stomach B. Hormones secreted by stomach cells C. Changes in intracellular fluid concentration D. Changes in extracellular fluid concentration