Which of the following represents the complete chemical reaction for the bicarbonate buffer system?
A) H2CO3 CO2 + H2O HCO3- + H+
B) H2CO3 HCO3- + H+
C) CO2 + H2O HCO3- + H+ H2CO3
D) CO2 + H2O H2CO3 HCO3- + H+
E) CO2 + H2O HCO3- + H+
D
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________ is associated with a chronic productive cough, a decrease in the inner diameter of the airways, and swelling and inflammation of the airways.
A. Asthma B. Emphysema C. Chronic bronchitis D. Bronchiectasis
You are a server in a restaurant, always interested in going the extra mile for your customers. Patrick, a regular customer in your section, has ordered sweet iced tea and has an appointment in 10 minutes, so he must drink quickly then leave. The kitchen staff makes only unsweetened tea, but there are sugar packets on the tables. What should you do for Patrick to provide the best sweet tea, and
what general principle of diffusion does this illustrate? (Hint: Will sugar dissolve quickly in an iced drink?) What will be an ideal response?
Label K represents which of the following structures?
A) blastocoele
B) blastocyst
C) trophoblast
D) developing villi
E) chorion
Which organic biomolecule is not a polymer?
a. triglyceride b. protein c. glycogen d. DNA