BRAINCAKE

The Role of Enzymes

OCR AS-level BiologyEnzymesLesson 1 of 20

Cell components need to be built and assembled from organic material. Most of the cell components are made from polymers. The synthesis of polymers requires energy.

Reactions that build up cellular components are called anabolic processes. Reactions that break down molecules are catabolic processes.

Diagram

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Key terms in this lesson

polymer
A large molecule made of many repeating monomer units joined by covalent bonds.

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