Which would not be classified as an irregular bone?
A. Ethmoid
B. Scapula
C. Sacrum
D. Thoracic vertebra
E. Sphenoid
Answer: B
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Ependymal cells of the central nervous system function to:
a. Line the surfaces of the ventricles b. Metabolize excess neurotransmitter released from neurons c. Phagocytize foreign antigens d. Produce cerebrospinal fluid e. Synthesize myelin
Which of the following is NOT a fate of absorbed glucose?
A. It is converted to glycogen by liver cells. B. It is converted to fatty acids and alpha-glycerol phosphate in adipose cells. C. It is converted to glycogen in muscle cells. D. It is converted to urea by liver cells. E. It is converted to fatty acids and alpha-glycerol phosphate by liver cells.
Most hormones are under some form of ________ to maintain their levels within normal limits.
A. positive feedback control B. digestive mechanism C. negative feedback control D. central nervous system dysregulation
In what ways is muscle myosin II the same as the myosin used in vesicle travel?
A) They have the same unitary displacement. B) They have the same length of duty cycle. C) Myosin attaches to actin. D) There is a chance myosin can drift away from actin.