WorksheetsThe Scientific Method & Macromolecules
Total questions: 13
Worksheet time: 9mins
All organisms contain DNA and RNA. What are the subunits of DNA and RNA?
simple sugars
amino acids
carbohydrates
nucleotides
If a person's arteries become clogged, he or she might have a stroke. What is the cause of these artery-clogging deposits?
lipids
proteins
carbohydrates
nucleic acids
Which type of molecules are enzymes?
carbohydrates
lipids
nucleic acids
proteins
What are the subunits of DNA and their function?
nucleotides that store information
monosaccharides that provide quick energy for the cell
lipids that store energy and provide insulation
proteins that provide the building blocks for the structural components of organisms
Analyze the chemical reaction. What is the function of the structure labeled W?
to produce proteins for use by the cell
to produce hormones that regulate cell metabolism
to catalyze biochemical reactions in the cell
to store water in the cell by swelling and shrinking as needed
Trypsin works best around a pH of 6.
Trypsin works best around a pH of 8.
Trypsin does not work under acidic conditions.
Trypsin does not function under basic conditions.
The breakdown of complex carbohydrates into glucose is completed in the small intestine during digestion. What protein acts a catalyst to speed up the reaction?
cellulose
enzyme
hormone
steroid
Which statement explains why an enzyme is highly specific to a particular substrate?
The density of the enzyme matches the density of the substrate.
The enzyme is made up of the same substance as that of the substrate.
The temperature of the enzyme matches the temperature of the substrate.
The shape of the enzyme's active site matches the shape of the substrate.
Analyze the chemical reaction.
Which term identifies the section of the diagram that is labeled X?
active site
enzyme
product
substrate
