Multiple Choice
Which of the following is most likely to occur if an enzyme is added to a specific chemical reaction?
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6. Enzymes and Enzyme Kinetics
Enzymes
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Which of the following statements about lipase is correct?
A
Lipase functions optimally at highly acidic pH similar to pepsin.
B
Lipase catalyzes the hydrolysis of triglycerides into fatty acids and glycerol.
C
Lipase is primarily involved in the synthesis of nucleic acids.
D
Lipase is a carbohydrate-digesting enzyme.
Verified step by step guidance1
Understand the role of lipase: Lipase is an enzyme that catalyzes the breakdown (hydrolysis) of triglycerides into glycerol and free fatty acids. This is a key function in lipid metabolism.
Eliminate incorrect options: Lipase does not function optimally at highly acidic pH like pepsin. Instead, it typically works best at a slightly alkaline pH, such as in the small intestine.
Clarify the specificity of lipase: Lipase is not involved in the synthesis of nucleic acids. This is the role of enzymes like DNA polymerase or RNA polymerase.
Differentiate lipase from carbohydrate-digesting enzymes: Lipase is not a carbohydrate-digesting enzyme. Enzymes like amylase are responsible for breaking down carbohydrates.
Conclude the correct statement: Based on the above analysis, the correct statement is that lipase catalyzes the hydrolysis of triglycerides into fatty acids and glycerol.
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