In bioenergetic pathways, as intermediates are acted upon by enzymes, the ultimate result is the release of ________.
A. enzymes
B. lactate
C. free energy
D. ATP
Answer: C
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How is the bulk of carbon dioxide transported in blood?
A) as carbonic acid in the plasma B) as bicarbonate ions in plasma after first entering the red blood cells C) chemically combined with the heme portion of hemoglobin D) chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cells
A major role of the lymphoid system is to produce, maintain, and distribute ________.
Fill in the blank(s) with the appropriate word(s).
An excess of hydrogen ions in the body fluids can have fatal results because this can
A) break chemical bonds. B) change the shape of proteins, rendering them nonfunctional. C) disrupt tissue functions. D) change body fluid pH. E) All of the answers are correct.
Lysosomes fuse with aged or damaged ____________________ to remove them from the cell
Fill in the blank(s) with correct word