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How Enzymes Work: Cool Facts About Enzyme Fits and Stops

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How Enzymes Work: Cool Facts About Enzyme Fits and Stops
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Isabela

@isabela_

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Enzymes are biological catalysts that play a crucial role in metabolic processes through enzyme substrate induced fit interaction and various inhibition mechanisms.

  • Enzymes are protein-based catalysts that speed up chemical reactions without being permanently altered
  • Metabolic biochemical pathway series involve multiple enzymes working sequentially, where products of one reaction become substrates for the next
  • The induced fit model explains how enzymes interact with substrates through conformational changes
  • Both competitive and non competitive enzyme inhibition mechanisms regulate enzymatic activity
  • Feedback inhibition helps maintain metabolic balance by controlling enzyme activity through allosteric regulation

5/1/2023

83

Enzymes
a substance that increases the rate
Zof a chemical reaction without.
undergoing
Enzymes/lare biological catalysts that speed up chem

View

Page 1: Enzyme Structure and Metabolic Pathways

The first page introduces fundamental concepts about enzymes and their role in metabolism. Enzymes are biological catalysts composed of amino acid chains that facilitate chemical reactions in living organisms. The induced fit model describes how enzymes interact with their substrates through conformational changes.

Definition: Enzymes are biological catalysts that speed up chemical reactions without undergoing permanent changes themselves.

Vocabulary: Metabolic pathway refers to an ordered series of enzyme-catalyzed reactions where the product of one reaction becomes the substrate for the next.

Example: In feedback inhibition, the end product can attach to the first enzyme's allosteric site, making it inactive by changing its shape.

Highlight: The induced fit model differs from the lock-and-key model by emphasizing the flexibility of enzyme-substrate interactions and conformational changes.

Enzymes
a substance that increases the rate
Zof a chemical reaction without.
undergoing
Enzymes/lare biological catalysts that speed up chem

View

Page 2: Enzyme Inhibition and Activation Energy

The second page delves into different types of enzyme inhibition and explains why enzymes are effective catalysts. It covers both competitive and non-competitive inhibition mechanisms, as well as the role of enzymes in lowering activation energy.

Definition: Non-competitive inhibitors bind to sites other than the active site, causing conformational changes that alter the enzyme's activity.

Example: Common enzyme names often reflect their substrates, such as sucrase for sucrose, maltase for maltose, and lactase for lactose.

Highlight: Enzymes work by weakening chemical bonds, which lowers the activation energy required for reactions to occur.

Vocabulary: Competitive inhibitors are molecules that mimic the substrate and compete for the enzyme's active site, preventing normal substrate binding.

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How Enzymes Work: Cool Facts About Enzyme Fits and Stops

user profile picture

Isabela

@isabela_

·

214 Followers

Follow

Enzymes are biological catalysts that play a crucial role in metabolic processes through enzyme substrate induced fit interaction and various inhibition mechanisms.

  • Enzymes are protein-based catalysts that speed up chemical reactions without being permanently altered
  • Metabolic biochemical pathway series involve multiple enzymes working sequentially, where products of one reaction become substrates for the next
  • The induced fit model explains how enzymes interact with substrates through conformational changes
  • Both competitive and non competitive enzyme inhibition mechanisms regulate enzymatic activity
  • Feedback inhibition helps maintain metabolic balance by controlling enzyme activity through allosteric regulation

5/1/2023

83

 

Biology

13

Enzymes
a substance that increases the rate
Zof a chemical reaction without.
undergoing
Enzymes/lare biological catalysts that speed up chem

Page 1: Enzyme Structure and Metabolic Pathways

The first page introduces fundamental concepts about enzymes and their role in metabolism. Enzymes are biological catalysts composed of amino acid chains that facilitate chemical reactions in living organisms. The induced fit model describes how enzymes interact with their substrates through conformational changes.

Definition: Enzymes are biological catalysts that speed up chemical reactions without undergoing permanent changes themselves.

Vocabulary: Metabolic pathway refers to an ordered series of enzyme-catalyzed reactions where the product of one reaction becomes the substrate for the next.

Example: In feedback inhibition, the end product can attach to the first enzyme's allosteric site, making it inactive by changing its shape.

Highlight: The induced fit model differs from the lock-and-key model by emphasizing the flexibility of enzyme-substrate interactions and conformational changes.

Enzymes
a substance that increases the rate
Zof a chemical reaction without.
undergoing
Enzymes/lare biological catalysts that speed up chem

Page 2: Enzyme Inhibition and Activation Energy

The second page delves into different types of enzyme inhibition and explains why enzymes are effective catalysts. It covers both competitive and non-competitive inhibition mechanisms, as well as the role of enzymes in lowering activation energy.

Definition: Non-competitive inhibitors bind to sites other than the active site, causing conformational changes that alter the enzyme's activity.

Example: Common enzyme names often reflect their substrates, such as sucrase for sucrose, maltase for maltose, and lactase for lactose.

Highlight: Enzymes work by weakening chemical bonds, which lowers the activation energy required for reactions to occur.

Vocabulary: Competitive inhibitors are molecules that mimic the substrate and compete for the enzyme's active site, preventing normal substrate binding.

Can't find what you're looking for? Explore other subjects.

Knowunity is the # 1 ranked education app in five European countries

Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the # 1 ranked education app in five European countries

4.9+

Average App Rating

13 M

Students use Knowunity

#1

In Education App Charts in 12 Countries

950 K+

Students uploaded study notes

Still not sure? Look at what your fellow peers are saying...

iOS User

I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D

Stefan S, iOS User

The application is very simple and well designed. So far I have found what I was looking for :D

SuSSan, iOS User

Love this App ❤️, I use it basically all the time whenever I'm studying