Mrs. Roberts, in a diabetic coma, has just been admitted to Noble Hospital. Her blood pH indicates that she is in severe acidosis (low blood pH), and measures are quickly instituted to bring her blood pH back within normal limits.
a. Define pH and note the normal pH of blood.
b. Why is severe acidosis a problem?

Some antibiotics act by binding to certain essential enzymes in the target bacteria.

a. How might these antibiotics influence the chemical reactions controlled by the enzymes?

b. What is the anticipated effect on the bacteria? On the person taking the antibiotic prescription?

Explain why, if you pour water into a glass very carefully, you can 'stack' the water slightly above the rim of the glass.

After you eat a protein bar, which chemical reactions introduced in this chapter must occur for the amino acids in the protein bar to be converted into proteins in your body cells?

Jason, a 12-year-old boy, was awakened suddenly by a loud crash. As he sat up in bed, straining to listen, his fright was revealed by his rapid breathing (hyperventilation), a breathing pattern effective in ridding the blood of CO₂. At this point, was his blood pH rising or falling?

Differentiate clearly between primary, secondary, and tertiary protein structure.