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carboxylase Definition

car·boxyl·ase (kär bäks′ə lās′)

noun

an enzyme that is capable of removing carbon dioxide from certain organic acids to produce aldehydes, as in the formation of acetaldehyde from pyruvic acid

Etymology: carboxyl + -ase

carboxylase Usage Examples

Converse of object

  • use: This in itself was not surprising, since plants normally fix CO2 in the dark using PEP carboxylase as part of their respiratory pathway.

Adjective modifier

  • pep: This in itself was not surprising, since plants normally fix CO2 in the dark using PEP carboxylase as part of their respiratory pathway.
  • phosphoenolpyruvate: CAM plants open their Stomata at night, using the enzyme Phosphoenolpyruvate carboxylase ( PEPc ) to fix CO 2 into organic acids.

Modifies a noun

  • gene: Molecular phylogeny of PEP carboxylase genes in plants and bacteria.

Noun used with modifier

  • enzyme: The outer layer ( the mesophyll ) fixes CO2 using the enzyme PEP carboxylase to form 4-carbon organic acids.
  • acetyl-coa: M. R. Munday ( 2002 ) " Regulation of mammalian acetyl-CoA carboxylase, " Biochem.
  • bisphosphate: This carbon-fixing reaction is catalyzed by the enzyme ribulose bisphosphate carboxylase, always known as rubisco.