Which set of chambers supplies blood to the pulmonary circulation?
A) Right atrium and right ventricle B) Left atrium and left ventricle
C) Atria D) Ventricles
A
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Which of the following is an amphibian?
A. coelacanth B. turtle C. octopus D. toad E. lizard
Lactate production in muscle cells is
a. temporary. b. due to oxygen deficiency. c. an NAD+ regenerator. d. temporary and due to oxygen deficiency. e. temporary, due to oxygen deficiency, and an NAD+ regenerator.
The cytoplasmic membranes of ________ contain unbranched phospholipids and proteins
A) archaeal cells B) bacterial cells C) eukaryotic cells D) both bacterial and eukaryotic cells E) archaeal, bacterial, and eukaryotic cells
What purpose does the phosphorylation of glucose to glucose 6-phosphate by the enzyme hexokinase serve as the first step in glycolysis?
(a) It helps drive the uptake of glucose from outside the cell. (b) It generates a high-energy phosphate bond. (c) It converts ATP to a more useful form. (d) It enables the glucose 6-phosphate to be recognized by phosphofructokinase, the next enzyme in the glycolytic pathway.