In the blood, most CO2 is transported ________.

A. as dissolved CO2
B. as bicarbonate
C. bound to RBCs
D. bound to hemoglobin


Answer: B. as bicarbonate

Biology & Microbiology

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Gregor Mendel was a completely self-trained scientist and never attended university

a. True b. False Indicate whether the statement is true or false

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In an experiment examining adrenergic receptors, epinephrine alone was not able to trigger an increase

in cAMP, but when beta receptors were fused with animal cells, there were high levels of cAMP. What was occurring?

a. activation of epinephrine. b. protein kinase inhibition. c. activation of adenylyl cyclase. d. protein kinase amplification. e. both activation of adenylyl cyclase and protein kinase amplification.

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Which item or items are the same as a fertilized egg?

a. II only b. III only c. V only d. II and III e. III and V

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The human cardiovascular system is comparable in some ways to a car's:

A) electrical system. B) cooling system. C) engine. D) transmission system.

Biology & Microbiology