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WorksheetsMacromolecules
Total questions: 18
Worksheet time: 9mins
Two of the four principle classes of organic compounds are proteins and nucleic acids. What is the relationship between proteins and nucleic acids?
Nucleic acids use proteins for energy
Nucleic acids are a subset of proteins
Proteins are long polymers of nucleic acids
Nucleic acids contain the information to make proteins
Resistance to antibiotics results from variations in the genetic code of Streptococcus pneumoniae. Which type of molecule encodes genetic information in Streptococcus pneumoniae?
carbohydrate
fatty acid
nucleic acid
protein.
Which of the following diagrams above is an example of a carbohydrate?
1
2
3
4
In living organisms, lipids function mainly as:
Sources of stored energy and transmitters of genetic information
Sources of stored energy and components of cellular membranes
Transmitters of genetic information and catalysts of chemical reactions
Catalysts of chemical reactions and components of cellular membranes
Study the diagram above of the cell membrane. What is the building block of structure G?
nucleotide
fatty acids
amino acids
monosaccharides
Which macromolecule makes up the majority of the cell membrane?
nucleotide
lipid
protein
carbohydrate
Which macromolecule is not labeled on the cell membrane above?
nucleic acid
protein
lipid
carbohydrate
Baby food manufacturers sometimes use proteases in their products. Proteases catalyze the breakdown of the proteins in these foods, making digestion easier for infants. Proteases are which of the following types of molecules?
enzyme
fatty acid
carbohydrate
nucleic acid
Ovalbumin is a protein found in eggs. Which of the following best describes the molecular structure of ovalbumin?
a group of six carbon atoms joined in a ring
a chain of amino acids folded and twisted into a molecule
a set of three fatty acids attached to a molecule of glycerol
a sequence of nitrogenous bases attached to a sugar phosphate backbone
Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable. This waxy coating is which of the following types of organic molecule?
protein
carbohydrate
nucleic acid
lipid
Like complex carbohydrates, proteins are macromolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates are which of the following?
polymers of smaller subunits
sequence of sugars
lipids of large molecules
nucleotides of DNA
What is the function of macromolecule subunit above?
energy
catalyst
stores genetic information
composes the majority of the cell membrane
The diagram above shows a monomer a macromolecule. Which type of molecule contains these monomers?
carbohydrate
protein
nucleic acids
lipid
You are analyzing a compound in the laboratory. You find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydrogen atoms for each carbon atom. How will you classify the compound?
lipid
protein
carbohydrate
nucleic aicd
Fats, oils and cholesterol are all types of what?
cell membranes
hormones
lipids
fatty acids
RNA and DNA are which type of macromolecules?
carbohydrates
lipids
nucleic acids
proteins
The enzyme lactase will break down the sugar lactose into which of the following components?
monosaccharides
nucleotides
amino acids
glycerol and fatty acids
A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
carbohydrate
nucleic acids
lipids
proteins
