Both the knee and the temporomandibular joints ________
A) perform protraction and retraction B) perform flexion and extension
C) are modified hinge joints D) bear the weight of the body
Answer: C
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When ligand-gated __________ open, ions move in or out of the cell, affecting the membrane potential
Fill in the blank with the correct word.
__________ means a sudden convulsion or spasm
Fill in the blank(s) with correct word
Answer the following statements true (T) or false (F)
1. Before food can be assimilated, it must be metabolized. 2. About 75% of the energy released by glycolysis and the citric acid cycle is in the form of ATP. 3. ATP has three high energy bonds, whereas ADP has only two. 4. The normal concentration of glucose in the blood is 80-120 mg per 100 mL of blood. 5. A drop in insulin production can produce a drop in the blood glucose level.
Antibodies bind to
A. antigens. B. foreign substances. C. bacteria. D. All apply.