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 of the following molecules could be joined together by a peptide bond as a result of a dehydration reaction?

Which of the following are nitrogenous bases of the pyrimidine type?

Roger Kornberg used this method for elucidating the structure of RNA polymerase.

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 of the following molecules has (have)a functional group that frequently is involved in maintaining the tertiary structure of a protein?

Refer to Figure 5.6 to answer the following questions. -Which bond is closest to the N-terminus of the molecule?

Which of the following statements is False for the class of biological molecules known as lipids?

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 of the following molecules contain(s)an aldehyde type of carbonyl functional group?

Which of the following store and transmit hereditary information?

Which of the following are nitrogenous bases of the purine type?

Figure 5.3 -The molecule shown in Figure 5.3 is a

For this pair of items, choose the option that best describes their relationship. (A)The number of purines in the DNA strand 5'-AAGAGGAGAAA-3' (B)The number of pyrimidines in the DNA strand 5'-AAGAGGAGAAA-3'

Figure 5.7 -The structure depicted in Figure 5.7 shows the

How many different kinds of polypeptides, each composed of 12 amino acids, could be synthesized using the 20 common amino acids?

Polysaccharides, lipids, and proteins are similar in that they

Draw the polynucleotide strand in Figure 5.27a from your textbook, and label the bases G, T, C, and T, starting from the 5' end. Now, draw the complementary strand of the double helix, using the same symbols for phosphates (circles), sugars (pentagons), and bases. Label the bases. Draw arrows showing the 5' → 3' direction of each strand. Use the arrows to make sure the second strand is antiparallel to the first. Hint: After you draw the first strand vertically, turn the paper upside down; it is easier to draw the second strand from the 5' toward the 3' direction as you go from top to bottom.

Of the following functions, the major purpose of RNA is to

The tertiary structure of a protein is the

Which of the following is a diverse group of hydrophobic 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 of the following statements is False?

The hydrogenation of vegetable oil results in which of the following?