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The presence of catalysts, usually enzymes.

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An enzyme is a globular protein that lowers activation energy of reaction thereby greatly increasing the rate of reaction.

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enzymes

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enzymes

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enzyme

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an enzyme

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Q: What is a protein molecule that acts as a biological catalyst to speed up chemical reactions by lowering the energy of activation?
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Related questions

What is the biological catalyst that speed up the rate of chemical is?

An enzyme is the biological catalyst that speeds up chemical reactions.


Biologic catalyst that speed up chemical reactions?

Enzymes are biologic catalyst that speed up chemical reactions by lowering its activation energy Ea


The primary function of an enzyme or any biological catalyst is to?

Enzymes speed up the rate of chemical reactions by lowering activation energy, and are not used up in the reaction.


What are the functions of enzymes?

An enzyme is a protein that acts as a catalyst in a living thingEnzymes are proteins which work as a biological catalyst, i.e. increases the rate of the chemical reaction.


What type of molecule is made from amino acids and acts as a biological catalyst?

Molecules that act as catalysts in biological systems are enzymes. Enzyme catalyze chemical reactions by lowering the activation energy.


What are Biological proteins that lower the activation energy for chemical reactions?

Enzymes


Are biological proteins that lower the activation energy for chemical reactions.?

Enzymes


Is the activation energy for chemical reactions in living things high or low?

Activation energy of reaction is the same regardless if it is in living organism or in test tube. Yet, the energy of activation can be lowered if catalyst is present. In living things catalyst lower the energy needed for chemical reactions.


What is ture of a catalyst?

It is true that a catalyst is used in chemical reactions to help speed up the reaction by reducing activation energy.


What group of biological molecules can speed up chemical reactions by lowering a reactions activation energy?

Biological catalysts are called 'enzymes'.


Lower a chemical reactions activation energy?

A catalyst lowers the activation energy without being consumed during a reaction


What is a substance that lowers the activation energy for a chemical reaction but is not changed or used up in the reaction?

This is called a catalyst. In biology, it is referred to as an enzyme (biological catalyst). Catalysts can also be used to speed up or slow down chemical reactions.