Iron is transported in the blood by the protein ________.
A. fibrinogen
B. transferrin
C. albumin
D. globin
Answer: B
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The antebrachial region is the
A. area in front of the elbow. B. chest area. C. lower back. D. bottom of foot. E. forearm.
If a sports beverage advertises that it replaces the body's electrolytes, what does the drink contain?
A. sugars that were broken down for energy B. ionic forms of mineral elements C. lipids that form the membranes of cells D. oxygen and gases used by metabolism E. vitamins
A steroid hormone acts on a target cell by
A. causing a second messenger to be formed. B. causing the cell to divide. C. directly causing protein synthesis. D. promoting phagocytosis.
________ are the site of protein synthesis in the cell.
A. Mitochondria B. Lysosomes C. Ribosomes D. Golgi apparatuses