Exam 2: Chemistry Comes Alive

A 65- year- old patient came to the emergency room with complaints of severe heartburn unrelieved by taking a "large handful" of antacids. Would you expect the pH to be high or low? Explain why.

Figure 2.1Using Figure 2.1, match the following: -Functional protein

The single most abundant protein in the body is _ _.

Which of the following does not describe uses for the ATP molecule?

Figure 2.1Using Figure 2.1, match the following: -Lipid

Figure 2.2Using Figure 2.2, match the following: -Guanine

What does the polar end of a phospholipid contain?

Covalent bonds are generally less stable than ionic bonds.

What is a dipole?

Brenda is a 26- year- old female who is being discharged from the hospital after a vaginal delivery of an 8- pound healthy infant. Brenda is instructed by the nurse to eat a diet high in fiber and to drink 8 glasses of water per day to prevent constipation. Explain the role of fiber and water to promote defecation.

Figure 2.2Using Figure 2.2, match the following: -Hydrogen bonds

Explain the difference between potential and kinetic energy.

An atom with a valence of 3 may have a total of electrons.

Explain why chemical reactions in the body are often irreversible.

What properties does water have that make it a very versatile fluid?

If atom X has an atomic number of 74 it would have which of the following?

Molecules such as methane that are made of atoms that share electrons have bonds.

Buffers resist abrupt and large changes in the pH of the body by releasing or binding ions.

A chemical bond is an energy relationship between outer electrons and neighboring atoms.

About 60% to 80% of the volume of most living cells consists of organic compounds.