Arrange the following in the proper order in which they occur at the postsynaptic side of a neuromuscular junction:
1) Action potential is propagated over the muscle cell membrane
2) depolarization of the postsynaptic membrane
3) sodium ions move into muscle cell
3, 2, 1
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How long is the average trachea?
A. 12-14 inches B. 12-14 cm C. 12-14 mm
The LH surge during ovulation does not
a. initiate local prostaglandin production. b. stimulate the production of the Graafian follicle. c. end estrogen production by the follicular cell. d. reinitiate meiosis. e. trigger differentiation of follicular cells to luteal cells.
What determines the color of skin?
A. The amount of melanin that melanocytes produce B. The number of melanocytes in the epidermis C. The density of hair D. The thickness of the epidermis
When viewing a centrifuged blood sample, the erythrocytes will be on the top.
Answer the following statement true (T) or false (F)