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Macromolecules Practice Test Questions & Answers

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Macromolecules Practice Test Questions & Answers Which of the following are one of the four major groups of macromolecules found in living organisms? - answerCarbohydrates, lipids, proteins, nucleic acids Polymers of polysaccharides, nucleic acids, and proteins are all synthesized from monomers...

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  • October 18, 2024
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  • Questions & answers
  • Macromolecules
  • Macromolecules
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©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



Macromolecules Practice Test Questions &
Answers

Which of the following are one of the four major groups of macromolecules found in living

organisms? - answer✔Carbohydrates, lipids, proteins, nucleic acids


Polymers of polysaccharides, nucleic acids, and proteins are all synthesized from monomers by

which process? - answer✔the removal of water (dehydration synthesis)


Which of the following best summarizes the relationship between dehydration synthesis and

hydrolysis? - answer✔dehydration reactions assemble polymers, and hydrolysis breaks down


A molecule with the chemical formula C16H32O16 is probably a - answer✔carbohydrates


If 128 molecules of the general type shown in Figure 5.1 were covalently joined together in

sequence, the single molecule that would result would be a - answer✔polysaccharide


Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to

one galactose molecule. How is lactose classified? - answer✔as a disaccharide


Which of the following is true of both starch and cellulose? - answer✔they are both polymers of

glucose

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


Humans can digest starch but not cellulose because - answer✔humans have enzymes that can

hydrolyze the alpha glycosidic linkages


Saturated fatty acids - answer✔have a higher ratio of hydrogen to carbon than do unsaturated

fatty acids


A protein can best be described as a - answer✔polymer of amino acids


The 20 different amino acids found in polypeptides exhibit different chemical and physical

properties because of different - answer✔side chains (R groups)


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

following? - answer✔removal of a water molecule


Polysaccharides, nucleic acids, and proteins are similar in that they - answer✔are synthesized

from monomers by dehydration reactions

Refer to Figure 5.6. Which bonds are created during the formation of the primary structure of a

protein? - answer✔peptide bonds


What type of bond is most critical in the formation of secondary structure in a protein? -

answer✔hydrogen bonds


Which type of interaction stabilizes the alpha (á) helix and the beta (â) pleated sheet structures of

proteins? - answer✔hydrogen bonds

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