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

Biology & Microbiology

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Which of the following is an amphibian?

A. coelacanth B. turtle C. octopus D. toad E. lizard

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology