WorksheetsBiology EOC Practice Biochemistry
Total questions: 9
Worksheet time: 5mins
Waxes create a waterproof layer on the outside of some living organisms. To which group of organic molecules do waxes belong?
proteins
nucleic acids
lipids
carbohydrates
Salivary amylase is an enzyme in humans that breaks down starches. What substance would humans have difficulty digesting without this enzyme?
lipids
carbohydrates
proteins
nucleic acids
Which best explains why the rate of a biochemical reaction decreases at high temperatures?
The activation energy increases.
The shape of the enzyme changes.
The enzyme-substrate complex forms.
The bonds between substrates are broken.
Which molecules are joined together to make proteins?
acetic acids
amino acids
nucleic acids
fatty acids
What type of organic molecules are enzymes?
proteins
nucleic acids
lipids
carbohydrates
What are the subunits of DNA and their function?
proteins that provide the building blocks for the structural components of organisms
lipids that store energy and provide insulation
monosaccharides that provide quick energy for the cell
nucleotides that store information
Which type of molecule do whales use for energy storage and insulation?
starch
fat
glucose
DNA
Which most directly controls the rate at which food is broken down to release energy?
enzymes
hormones
nucleic acids
vitamins
Which factor most affects the order of amino acids in a protein?
the DNA located in the nucleus of the cell
the cell in which the protein is located
the amount of ATP available for the cell’s use
the area in a cell where proteins are produced
