Chemical Reactions and Enzymes

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A set of vocabulary flashcards covering key terms related to chemical reactions, energy changes, and biological enzymes.

Last updated 4:02 PM on 10/5/26
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14 Terms

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Chemical Reaction

Process that involves making new substances from starting substances (change)

<p>Process that involves making new substances from starting substances (change)</p>
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Reactant

Element or compound that enters into a chemical reaction

<p>Element or compound that enters into a chemical reaction</p>
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Product

An element or compound produced in a chemical reaction

<p>An element or compound produced in a chemical reaction</p>
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Endo

Inside

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Exo

Outside

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Protein

A carbon compound that is made up of Carbon, Hydrogen, Oxygen and Nitrogen (CHON)

<p>A carbon compound that is made up of Carbon, Hydrogen, Oxygen and Nitrogen (CHON)</p>
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Activation Energy

The amount of energy needed to start a reaction

<p>The amount of energy needed to start a reaction</p>
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Endothermic

A chemical reaction that absorbs energy (takes in)

<p>A chemical reaction that absorbs energy (takes in)</p>
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Exothermic

A chemical reaction that releases energy (gives off)

<p>A chemical reaction that releases energy (gives off)</p>
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Active site (activation site)

Location on the enzyme where a substrate will go

<p>Location on the enzyme where a substrate will go</p>
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Catalyst

Anything that helps or speeds up a process without itself being changed

<p>Anything that helps or speeds up a process without itself being changed</p>
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Enzyme

A biological catalyst that lowers activation energy and therefore speeds up a chemical reaction

<p>A biological catalyst that lowers activation energy and therefore speeds up a chemical reaction</p>
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Substrate

Element of a compound that enters into an enzyme and then undergoes a chemical reaction

<p>Element of a compound that enters into an enzyme and then undergoes a chemical reaction</p>
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Denatured

Loss of an enzyme's normal shape so that it no longer functions; caused by a less than optimal pH and/or temperature

<p>Loss of an enzyme's normal shape so that it no longer functions; caused by a less than optimal pH and/or temperature</p>