Which statement incorrectly describes active transport?

A. Transport of materials across the cell membrane with the use of energy
B. Transport of materials from areas of low concentration to areas of high concentration
C. Movement of materials up the concentration gradient
D. Transport of materials from areas of high concentration to areas of low concentration


Answer: D

Anatomy & Physiology

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At a PO2 of 70 mm Hg and normal temperature and pH, hemoglobin is ________% saturated with oxygen.

A) over 90 B) 10 C) 75 D) 25 E) 50

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 This figure shows the scapula. Which number indicates the superior angle?

A. 1 B. 2 C. 4 D. 7 E. 10

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