A-LevelBiologyEnzymesFeb/Mar 2023Paper 1 Q141 Mark
Which statement describes an example of an extracellular enzyme?
AAmylase in saliva is an enzyme that catalyses the breakdown of starch in the mouth.
BCarbonic anhydrase is an enzyme that helps in the transport of carbon dioxide in blood.
CDNA polymerase is an enzyme that helps build DNA molecules from nucleotides.
DRNA polymerase is an enzyme involved in the process of gene transcription.
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The correct answer is A. This question tests the candidate's understanding of enzymes within the Biologysyllabus. The examiner's mark scheme requires...
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