Which of the following methods for the transport of CO2 provides a buffering system for the blood?
a. CO2 is dissolved in the plasma.
b. CO2 combines with H2O to form carbonic acid and then bicarbonate.
c. CO2 combines with hemoglobin to form carboxyhemoglobin.
d. CO2 is carried in small gas bubbles.
e. CO2 is converted to CO for plasma transport.
Answer: b. CO2 combines with H2O to form carbonic acid and then bicarbonate.
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Answer the following statement true (T) or false (F)
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________ is a plant hormone that causes the dormancy of many seeds.
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