Stomach emptying is controlled by ____ moving down the stomach wall
a. gastrin
b. waves of peristalsis
c. spinal cord reflexes
d. HCl secretions
e. rugae
ANSWER: b
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Which of the following is NOT true of hemoglobin?
A. It is a large protein with four subunits. B. It is packaged into red blood cells. C. It binds four O2 molecules cooperatively. D. O2 is bound to heme group containing iron atom. E. It contains an oxygen binding group that includes a copper atom.
Which of the following is not a base used in DNA replication?
A) thymine B) guanine C) uracil D) adenine E) cytosine
In the global office, ancillary services such as banking and customer services are no longer locally oriented but have been decentralized
Indicate whether this statement is true or false.
Natural killer (NK) cells that destroy virus-infected cells and cancer cells are
A. large granular lymphocytes. B. eosinophils. C. neutrophils. D. suppressor T cells (TS).