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definitions

IB Biology C1.1 Definitions

This page contains our IB Biology definitions for C1.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Further metabolism'.

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activation energy

The energy required to break the bonds in the reactants to convert them into products

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allosteric site

An alternate binding site on an enzyme

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end-product inhibition

A type of non-competitive inhibition whereby the last product of a chain or cycle inhibits the enzyme of the first reaction to control product formation

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enzyme inhibitor

A substance that reduces or stops enzyme activity

metabolism

The sum of all chemical reactions taking place within an organism

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peristalsis

A wave of muscle contraction that passes along the entire digestive tract