In the buffering system, CO2 + H2O H2CO3 H+ + HCO3-, which component acts as the acid?
a. CO2
b. H+
c. HCO3-
d. H2CO3
a
You might also like to view...
As you sit in the waiting room of a doctor's office leafing through a magazine, you see a letter to the editor about world hunger. In it, the author takes issue with a statement made in a previous issue that stated, "…and thus, hunger worsens poverty
The letter writer claims that this statement is completely unfounded and has no reasoning behind it. Does hunger worsen poverty? a. Yes, but it can be corrected with appropriate access to reproductive health care. b. No; if hungry people work hard enough they can work to get themselves out of poverty. c. Yes, it propagates poverty by increasing the death rate and leaving many families as single-parent households. d. Yes, hunger makes poverty worse by robbing a person of the good health and the physical and mental energy needed to be active and productive. e. Sometimes, but only when unemployment is high and jobs are scarce.
Life expectancy is the average number of years of life remaining for a person
Indicate whether the statement is true or false
Which dietary pattern was originally based on foods consumed by people in Greece, Crete, and southern Italy?
a. the South Beach plan b. the DASH Eating Plan c. the Slow Food diet d. the Mediterranean diet e. the Raw Food diet
In order to lose body fat, an athlete must exercise in the "fat burning" zone
Indicate whether the statement is true or false