Bile, which emulsifies fats, is produced by the ________.
A. gallbladder
B. liver
C. pancreas
D. small intestine
Answer: B
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This part of the brain is responsible for alerting the cerebrum to incoming sensory information.
A. Motor component of the reticular formation B. Prefrontal cortex C. Amygdaloid body D. Sensory component of the reticular formation E. Hypothalamus
In a laboratory experiment you have treated a muscle cell with a calcium channel blocker. The membrane still depolarizes, but the concentration of calcium never increases in the cytosol. Which of the following describes what will happen next?
A. Contraction will occur, but the muscle will be stuck in the contracted state and unable to relax. B. Tropomyosin will continue to cover the myosin binding sites on actin and no cross-bridges will form. C. Only one cross-bridge cycle will occur but no second cycle. D. Binding of myosin to actin will take place. E. A single twitch in skeletal muscle but no sustained contraction.
DNA replication
What will be an ideal response?
Which of the following is the correct sequence of events in the healing of a bone fracture?
A. Bone remodeling ? soft callus formation ? hard callus formation ? hematoma formation B. Hematoma formation ? hard callus formation ? soft callus formation ? bone remodeling C. Soft callus formation ? hard callus formation ? hematoma formation ? bone remodeling D. Hematoma formation ? soft callus formation ? hard callus formation ? bone remodeling E. Bone remodeling ? hard callus formation ? soft callus formation ? hematoma formation