The ________ vertebrae have the largest vertebral foramina, while the ________ vertebrae have the largest size.
A. thoracic; cervical
B. cervical; lumbar
C. cervical; thoracic
D. thoracic; lumbar
E. lumbar; cervical
Answer: B
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Which would be true if substance X was moving into a cell by primary active transport?
A. A cell is placed into a 1 millimolar solution of substance X and over time you witness the size of the cell swell. B. A cell is placed into a 1 millimolar solution of substance X and over time you witness the concentration of X inside the cell increase to 1 millimolar. C. A cell is placed into a 1 millimolar solution of substance X and over time you witness the concentration of X inside the cell decrease to 0.5 millimolar. D. A cell is placed into a 1 millimolar solution of substance X and over time you witness the size of the cell shrink. E. A cell is placed into a 1 millimolar solution of substance X and over time you witness the concentration of X inside the cell increase to 5 millimolar.
Any given protein contains binding sites for only one kind of ligand.
Answer the following statement true (T) or false (F)
Which of the following statements explains the observation that dye diffuses more quickly as temperature increases?
A) Random motion of particles decreases as temperature increases. B) Random motion of particles increases as temperature decreases. C) Random motion of particles decreases as temperature decreases. D) Random motion of particles increases as temperature increases.
What structure moves food from the pharynx to the stomach?
A. larynx B. laryngopharynx C. esophagus D. epiglottis