Exam 5: The Structure and Function of Large Biological Molecules

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. -Which term includes all others in the list?

The bonding of two amino acid molecules to form a larger molecule requires

The R group or side chain of the amino acid serine is -CH₂-OH. The R group or side chain of the amino acid alanine is -CH₃. Where would you expect to find these amino acids in a globular protein in aqueous solution?

Large organic molecules are usually assembled by polymerization of a few kinds of simple subunits. Which of the following is an exception to this statement?

Which of the following is True of cellulose?

The following questions are based on the 15 molecules illustrated in Figure 5.8. Each molecule may be used once, more than once, or not at all. -Which molecule has hydrophilic and hydrophobic properties and would be found in plasma membranes?

Figure 5.2 -Which of the following statements is True regarding the molecule illustrated in Figure 5.2?

Altering which of the following levels of structural organization could change the function of a protein?

Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?

Which of the following is an example of hydrolysis?

On food packages, to what does the term "insoluble fiber" refer?

Which bonds are created during the formation of the primary structure of a protein?

Refer to Figure 5.6 to answer the following questions. -At which bond would water need to be added to achieve hydrolysis of the peptide, back to its component amino acid?

All of the following statements concerning saturated fats are True except

If a DNA sample were composed of 10% thymine, what would be the percentage of guanine?

For this pair of items, choose the option that best describes their relationship. (A)The probability that amino acids with nonpolar side chains are hydrophobic. (B)The probability that amino acids with side chains containing a carboxyl group are hydrophobic.

Which of the following uses the amino acid sequences of polypeptides to predict a protein's three-dimensional structure?

What is the chemical mechanism by which cells make polymers from monomers?

Figure 5.1 -If 2 molecules of the general type shown in Figure 5.1 were linked together, carbon 1 of one molecule to carbon 4 of the other, the single molecule that would result would be

Enzymes are