Exam 5: The Structure and Function of Large Biological Molecules

Upon chemical analysis, a particular polypeptide was found to contain 100 amino acids. How many peptide bonds are present in this protein?

There are 20 different amino acids. What makes one amino acid different from another?

A molecule with the chemical formula C₆H₁₂O₆ is probably a

The molecular formula for glucose is C₆H₁₂O₆. What would be the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?

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

Figure 5.5 -Which of the following statements is/are true regarding the chemical reaction illustrated in Figure 5.5?

Figure 5.1 -If two 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

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

A double-stranded DNA molecule contains a total of 120 purines and 120 pyrimidines. This DNA molecule could be composed of

The bonding of two amino acid molecules to form a larger molecule requires which of the following?

What is the term used for a protein molecule that assists in the proper folding of other proteins?

Figure 5.7 -The structure depicted in Figure 5.7 shows the

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

Which of the following is an example of hydrolysis?

If cells are grown in a medium containing radioactive ³²P-labeled phosphate, which of these molecules will be labeled?

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

The tertiary structure of a protein is the

Figure 5.4 -What is the structure shown in Figure 5.4?

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. Figure 5.8 -Which of the following molecules could be joined together by a peptide bond as a result of a dehydration reaction?

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. Figure 5.8 -A fat (or triacylglycerol)would be formed as a result of a dehydration reaction between