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Humanities

Q: Which of these has the highest H+ concentration? A. Lemon juice, pH = 2.3 B. Red wine, pH = 3.2 C. Tomato juice, pH = 4.7 D. Saliva, pH = 6.6 E. Household ammonia, pH = 10.8
Q: In the following reaction, what is(are) the product(s)? CO2 + H2O ---> H2CO3 A. H2CO3 B. CO2 and H2O C. CO2 and H2CO3 D. H2O and H2CO3
Q: 8. Na+-K+ ATPase is a countertransport antiport carrier, which always requires energy.
Q: 43. The sodium-potassium (Na+-K+) pump transports both sodium and potassium __________ their concentration gradients in a process called ____________. A. up; active transport B. up; facilitated transport C. up; cotransport D. down; active transport E. down; countertransport
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