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Biology - Catalyst, Bonds, Enzyme Flashcards

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Biology - Catalyst, Bonds, Enzyme Flashcards

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Questions and Answers

What is a catalyst?

A substance that slows down a chemical reaction

A byproduct of a chemical reaction

A type of enzyme

A substance that increases the rate of a chemical reaction without undergoing any permanent change (correct)

What is an enzyme?

A substance produced by a living organism that acts as a catalyst for a biochemical reaction.

What is activation energy?

The minimum quantity of energy required for a reaction to occur.

What is a substrate?

A substance or layer that underlies something, or on which some process occurs. Signup and view all the answers

What is the active site of an enzyme?

A region on an enzyme that binds to a protein or other substance during a reaction. Signup and view all the answers

Polar molecules have electrical or magnetic polarity.

True Signup and view all the answers

What is a hydrogen bond?

A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electron atom in the other. Signup and view all the answers

Study Notes

Catalysts and Enzymes

A catalyst accelerates chemical reactions without undergoing permanent changes.
Enzymes are specialized catalysts produced by living organisms, facilitating specific biochemical reactions.

Activation Energy

Activation energy is the minimum energy required for reactants to initiate a chemical reaction.

Substrates

Substrates are the specific substances on which enzymes act, underpinning the reaction process.

Active Sites

Active sites are specific regions on enzymes where substrates bind, essential for enzyme function and reactivity.

Polarity

Polar substances exhibit electrical or magnetic polarity, influencing interactions at the molecular level.

Hydrogen Bonds

Hydrogen bonds are weak attractions between molecules due to electrostatic interactions between protons and electrons, playing critical roles in molecular structures.

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Description

This quiz covers key terms related to catalysts, enzymes, and activation energy in biological processes. Perfect for students who want to strengthen their understanding of these concepts in a straightforward way. Test your knowledge and enhance your learning today!