A myosin head that is "cocked" and ready to bind to actin is associated with ______.
A. ADP
B. Pi
C. ATP
D. two of the above
Answer: C. ATP
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The tendon of which of the following muscles is not a rotator cuff tendon?
A. Subscapularis B. Biceps brachii C. Infraspinatus D. Teres minor E. Supraspinatus
The small intestinal digestive enzymes
a. are secreted into the lumen, where they perform their function. b. act intracellularly within the brush borders. c. complete the digestion of carbohydrates. d. both (a) and (c) above. e. both (b) and (c) above.
Of the CO2 returning from the tissues in venous blood, more is dissolved in plasma as CO2 than is bound to hemoglobin
Indicate whether the statement is true or false.
Which of the following does not fall under the first line of defense?
A. Skin B. Antimicrobial proteins C. Mucous membranes D. Tears