Which of the following events occurs first in the overall process of muscle stimulation?
A. Myosin heads bind to receptor sites on thin filaments.
B. Acetylcholine is released into the synaptic cleft.
C. Calcium ions are released from the sarcoplasmic reticulum.
D. Sodium and potassium channels open in the sarcolemma.
E. Calcium ions bind to troponin.
B. Acetylcholine is released into the synaptic cleft.
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Unlike other joints, a __________ does not join two bones to one another.
A. suture B. syndesmosis C. gomphosis D. cartilaginous joint E. bony joint
Which route of drug administration do gastric fluids affect?
a. IM b. po c. IV d. SQ
____________________ carries cholesterol to cells, whereas ____________________ transports it away from cells
Fill in the blank(s) with correct word
Which of the following is the correct sequence from smallest to largest?
A. Cell, protein, amino acid, atom B. Amino acid, cell, protein, atom C. Amino acid, atom, cell, protein D. Atom, amino acid, protein, cell E. Protein, cell, amino acid, atom