Passive membrane transport processes include ________.
A) movement of a substance down its concentration gradient
B) movement of water from an area of low concentration to an area of high concentration
C) consumption of ATP
D) the use of transport proteins when moving substances from areas of low to high concentration
A) movement of a substance down its concentration gradient
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Where are the visual pigments located in the rods and cones?
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In older animals, the increase in protein synthesis may be directed more toward the repair of tissue rather than primarily for growth
Indicate whether the statement is true or false
A plasma clearance of 135 ml/min for a substance when the GFR is 125 ml/min indicates that net secretion of the substance occurs
Indicate whether the statement is true or false
The ________ tonsils are the largest, and their surgical removal (tonsillectomy) used to be one of the most common surgical procedures performed in children.
A. lingual B. nasopharyngeal C. adenoid D. palatine E. pharyngeal