Biomolecule & Enzymes RETEST

Which of the following correctly matches the polymer and the monomers of which it is made up?

• Lipids → Sugars
• Carbohydrates → Amino Acids
• Proteins → Lipids
  
• Lipids → Fatty Acids
  

Which of the following are the molecules that make up muscles and organs, transmit signals between cells, and constitute immune molecules?

• Nucleic acids
• Fatty acids
• Carbohydrates
  
• Proteins
  

Which of the following biomolecules is composed a nitrogen-containing base, a 5-carbon base, and a phosphate group?

• Nucleic acids
  
• Fatty acids
• Carbohydrates
• Proteins
  

The surfaces of the leaves of many plants help to reduce water loss because they are not water-permeable. How does the biomolecule that makes up this surface differ from other biomolecules?

• It is made up of long chains of fatty acids.
  
• It is made up of polymers of monosaccharides.
• It is made up of long chains of nucleotides.
• It is made up of polymers of amino acids.
  

Which biomolecule below contains hydrogen, oxygen, nitrogen, carbon, and phosphorous?

• Lipids
• Nucleic Acids
• Carbohydrates
• Proteins

One similarity between proteins and lipids is that they both -

• contain nitrogen as part of their structure.
• are composed of fatty acid chains.
  
• are made up of chains of smaller subunits.
  
• act as enzymes and contain peptide bonds.
  

Which of the following biomolecules are major energy sources for cells?

• proteins
  
• lipids
  
• carbohydrates
• nucleic acids

A similarity between proteins, carbohydrates, lipids, and nucleic acids is that they all -

• have the same molecular shape.
  
• have the same chemical composition.
  
• contain the element carbon.
  
• contain the element nitrogen.
  

Which of the answers below correctly places the building block with the correct biomolecule?

• Nucleic acid - amino acids
• Lipid - fatty acids
  
• Protein – monosaccharides
• Carbohydrates - nucleotides
  

Which of the following is a function of lipids?

• Act as genetic material
  
• Increase rate of reactions
  
• Form chains of amino acids
• Store energy for the cell