Exam 5: The Structure and Function of Large Biological Molecules

The following questions are based on the 15 molecules illustrated in the figure below. Each molecule may be used once, more than once, or not at all. -Which of the following molecules is a purine type of nitrogenous base?

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

The following questions are based on the 15 molecules illustrated in the figure below. Each molecule may be used once, more than once, or not at all. -Which of the following molecules consists of a hydrophilic "head" region and a hydrophobic "tail" region?

Which of the following descriptions best fits the class of molecules known as nucleotides?

Dehydration reactions are used in forming which of the following compounds?

Which of the following is an example of hydrolysis?

If cells are grown in a medium containing radioactive ¹⁵N, which of these molecules will be labelled?

The following questions are based on the 15 molecules illustrated in the figure below. Each molecule may be used once, more than once, or not at all. -Which molecule is glycerol?

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

All of the following are polysaccharides except

The R group or side chain of the amino acid serine is -CH₂-OH. The R group or side chain of the amino acid leucine is -CH₂-CH-(CH₃₎₂. Where would you expect to find these amino acids in a globular protein in aqueous solution?

Humans can digest starch but not cellulose because

The use of computer software to analyze large genetic and protein data sets is known as

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

How many molecules of water are needed to completely hydrolyze a polymer that is 11 monomers long?

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

Which of the following statements best summarizes the differences between DNA and RNA?

-What is the structure shown in the figure above?

Which class of biological molecules are grouped together because their monomers are amino acids?

Use the following information to answer the questions below. You have just had a breakfast of toast (high-fibre bread) with butter and jam (no added sugar) along with a glass of milk. -Which of the following categories includes all others in the list?