Exam 2: Chemistry Comes Alive

Using Figure 2.2, match the following: -Deoxyribose sugar.

Glycogen, the storage form of glucose, is primarily stored in muscle tissue only.

Mrs. Mulligan goes to her dentist and, after having a couple of cavities filled, her dentist strongly suggests that she reduce her intake of sodas and increase her intake of calcium phosphates in the foods she eats. Why?

Which of the following is the major positive ion outside cells?

Select the correct statement about isotopes.

The atomic weight is only an average of relative weights of an atom and its isotopes, and it may vary from the weight of a specific isotope.

Which of the following statements is false?

In general, the lipids that we refer to as oils have .

Figure 2.1Using Figure 2.1, match the following: -Which metals have a toxic effect on the body?

Salts are always .

Figure 2.1Using Figure 2.1, match the following: -An amino acid may act as a proton acceptor or donor. Explain.

Starch is the stored carbohydrate in plants, while is the stored carbohydrate in animals.

Which property of water is demonstrated when we sweat?

Which of the following is a neutralization reaction?

Figure 2.1Using Figure 2.1, match the following: -In a DNA molecule, guanine would connect to .

What type of chemical bond can form between an element with 11 protons and an element with 17 protons?

Although his cholesterol levels were not high, Mr. Martinez read that cholesterol was bad for his health, so he eliminated all foods and food products containing this molecule. He later found that his cholesterol level dropped only 20%. Why did it not drop more?

Figure 2.1Using Figure 2.1, match the following: -Polysaccharide.

Select the most correct statement regarding nucleic acids.

Carbohydrates are stored in the liver and muscles in the form of .