A sarcomere extends from
A. the M line to the next M line.
B. the H zone to the I band.
C. one Z disk to an adjacent Z disk.
D. the middle of the I band to the middle of the A band.
E. one T tubule to the next T tubule.
Answer: C
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Indicate whether this statement is true or false.
A function of the hypothalamohypophysial tract is to
A. move releasing hormones from the hypothalamus to the posterior pituitary. B. carry action potentials to the posterior pituitary, causing the release of oxytocin. C. move ADH from the hypothalamus to the anterior pituitary. D. cause the release of insulin from the anterior pituitary. E. form a vascular connection from the hypothalamus to the posterior pituitary.
Besides proteins, which of the following is (are) a potent stimulator(s) of gastrin?
A) caffeine and small doses of alcohol B) parasympathetic innervation C) the sight and smell of food D) chyme entering the duodenum E) chyme entering the esophagus
A fertilized egg is called a(n) ________.
A. ovum B. Barr body C. autosome D. zygote