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catalase Definition

cata·lase (kat′ə lās′)

noun

an enzyme, found in blood and tissues, that decomposes hydrogen peroxide into water and free oxygen

Etymology: catal(ysis) + -ase

catalase Usage Examples

Preposition: from

  • potato: What is the optimum temperature for catalase from a potato?

Converse of object

  • call: Treatment with other enzymes called catalases has increased the survival of MND mice 18.
  • do: Does catalase have different properties in liver than in potatoes?

Modifies a noun

  • activity: How does catalase activity vary from a healthy to a diseased region?
  • enzyme: The catalase enzyme breaks down hydrogen peroxide the major antibacterial factor in other types of honey.
  • level: Do any of the following stresses affect the catalase levels of seedlings?

Noun used with modifier

  • enzyme: In Year 11 all the students undertake an investigation into the activity of the enzyme catalase.