Electrical changes that occur in the membranes of the T tubules cause release of ________ ions from the sarcoplasmic reticulum.
Fill in the blank(s) with the appropriate word(s).
calcium
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During a sinus infection it is difficult to smell because
A) basal cell division decreases. B) olfactory glands stop producing mucus. C) olfactory supporting cells block odorant molecules from reaching the receptors. D) the hypothalamus stops responding to olfactory stimulation. E) excess mucus blocks odorant molecules from reaching the receptors.
The process of _______________ young chicks is done to prevent them from pecking each other
Fill in the blank(s) with correct word
The vertical separation between the prominences of the buttocks is referred to as the
A. posterior furrow. B. natal cleft. C. gluteal line. D. linea alba. E. median furrow.
____ are adhering junctions, ____ are impermeable junctions, and ____ are communicating junctions
a. Tight junctions, gap junctions, desmosomes b. Desmosomes, gap junctions, tight junctions c. Gap junctions, desmosomes, tight junctions d. Gap junctions, tight junctions, desmosomes e. Desmosomes, tight junctions, gap junctions