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Class 9 Chapter: Enzymes

2026

R

1 h 33 m

پاکستان

حیاتیات

Here’s a playlist of Class 9 Chapter: Enzymes Sabaq.pk’s Lectures which help you get started with your online education. Sabaq.pk offers free video lectures and practice tests for Physics, Chemistry, Biology, Maths, Computer Science, English & more subjects for class k-14. So, subscribe to Sabaq.pk/Sabaq Foundation now and get high marks in your exams. This Sabaq.pk Class 9 Chapter: Enzymes Playlist has the following topics: -Enzyme -Characteristics of Enzymes -Uses of Enzymes -Factors Effecting the rate of Enzyme Action -Lock and Key Model -Induecd Fit Model -Specificity of Enzymes -Enzymes Nature -Types of Cofactors -Factors Effecting the Rate of Enzyme Action -Mechanism of Enzymes -Characteristics of Enzymes -Three Groups of Enzymes -Inhibitors -Feedback Inhibition -Uses of Enzymes ABOUT US: Sabaq.pk or Sabaq Foundation is a non-profit trust providing free online video lectures for students from classes K - 14 for all education boards of Pakistan including FBISE, Punjab Board Sindh Board, KP Board, Baluchistan Board as well as for Cambridge. We have a team of qualified teachers working their best to create easy to understand videos for students providing 14,000 + free lectures for subjects including Physics, Chemistry, Mathematics, Biology, English, General Science, Computer Science, General Math, Statistics and Accounting. Sabaq.pk also provides study material for MCAT and ECAT in the form of video lectures. GET CONNECTED WITH US: • Website: http://sabaq.pk/ • Facebook: https://www.facebook.com/sabaq.pk/ • Twitter: https://twitter.com/sabaqpk • Instagram: https://www.instagram.com/sabaq.pk/ • YouTube: https://www.youtube.com/user/sabaqpk • LinkedIn: https://www.linkedin.com/company/sabaq-foundation/ • Contact #: 051-2356303 (10:00 AM To 6:00 PM)
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author avatar

Apoutchou et fière 🥰🥰💪

24/06/2026 00:40
In this video, we’ll explore the uses of enzymes across various industries, highlighting their versatility in processes that require breaking down complex compounds. Food Industry: Enzymes like amylase, which breaks down starch into sugars, play a crucial role in the preparation of baked goods. In dough making and bun making, amylase helps to release sugars from flour, which feeds the yeast and improves dough texture and rise. Proteases are also used to modify gluten in dough, creating a softer texture and enhancing overall product quality. Brewing Industry: In yogurt making, lactic acid bacteria play a vital role by fermenting lactose in milk, creating the tangy flavor and thick texture of yogurt. Paper Industry: Enzymes like cellulase and hemicellulase are used to reduce the viscosity of pulp, making it easier to process and handle. Hemicellulase specifically helps to break down hemicellulose, enhancing fiber flexibility and improving paper quality while reducing the need for harsh
author avatar

Mme 2Rayz❤️

24/06/2026 00:40
In this video, we’ll explore the uses of enzymes across various industries, highlighting their versatility in processes that require breaking down complex compounds. Food Industry: Enzymes like amylase, which breaks down starch into sugars, play a crucial role in the preparation of baked goods. In dough making and bun making, amylase helps to release sugars from flour, which feeds the yeast and improves dough texture and rise. Proteases are also used to modify gluten in dough, creating a softer texture and enhancing overall product quality. Brewing Industry: In yogurt making, lactic acid bacteria play a vital role by fermenting lactose in milk, creating the tangy flavor and thick texture of yogurt. Paper Industry: Enzymes like cellulase and hemicellulase are used to reduce the viscosity of pulp, making it easier to process and handle. Hemicellulase specifically helps to break down hemicellulose, enhancing fiber flexibility and improving paper quality while reducing the need for harsh
author avatar

Hassna

24/06/2026 00:40
In this video, we’ll explore the uses of enzymes across various industries, highlighting their versatility in processes that require breaking down complex compounds. Food Industry: Enzymes like amylase, which breaks down starch into sugars, play a crucial role in the preparation of baked goods. In dough making and bun making, amylase helps to release sugars from flour, which feeds the yeast and improves dough texture and rise. Proteases are also used to modify gluten in dough, creating a softer texture and enhancing overall product quality. Brewing Industry: In yogurt making, lactic acid bacteria play a vital role by fermenting lactose in milk, creating the tangy flavor and thick texture of yogurt. Paper Industry: Enzymes like cellulase and hemicellulase are used to reduce the viscosity of pulp, making it easier to process and handle. Hemicellulase specifically helps to break down hemicellulose, enhancing fiber flexibility and improving paper quality while reducing the need for harsh
author avatar

Tercel Fouka

24/06/2026 00:40
In this video, we’ll explore the Feedback Inhibition of Enzyme Action, a key mechanism that regulates enzyme activity in metabolic pathways. In feedback inhibition, the end product of a metabolic pathway acts as an inhibitor for an enzyme involved earlier in the pathway, preventing excessive buildup of that product. How It Works: When a sufficient concentration of the end product accumulates, it binds to an enzyme at an allosteric site (a location other than the active site), forming an enzyme-inhibitor complex. This binding causes a conformational change in the enzyme’s structure, rendering the active site less effective or inactive for binding with its substrate. For example, in the synthesis of the amino acid threonine, aspartate is converted through several enzyme-catalyzed steps. When enough threonine is produced, it acts as a feedback inhibitor, binding to the first enzyme in the pathway and slowing down or stopping further production. Feedback inhibition helps maintain balanc
author avatar

❤️𝓨𝓪𝓼𝓼𝓮𝓻 &𝓵𝓾𝓬𝓲𝓮❤️

24/06/2026 00:40
In this video, we’ll explore the Feedback Inhibition of Enzyme Action, a key mechanism that regulates enzyme activity in metabolic pathways. In feedback inhibition, the end product of a metabolic pathway acts as an inhibitor for an enzyme involved earlier in the pathway, preventing excessive buildup of that product. How It Works: When a sufficient concentration of the end product accumulates, it binds to an enzyme at an allosteric site (a location other than the active site), forming an enzyme-inhibitor complex. This binding causes a conformational change in the enzyme’s structure, rendering the active site less effective or inactive for binding with its substrate. For example, in the synthesis of the amino acid threonine, aspartate is converted through several enzyme-catalyzed steps. When enough threonine is produced, it acts as a feedback inhibitor, binding to the first enzyme in the pathway and slowing down or stopping further production. Feedback inhibition helps maintain balanc
author avatar

JOSELYN DUMAS

24/06/2026 00:40
In this video, we’ll explore the Feedback Inhibition of Enzyme Action, a key mechanism that regulates enzyme activity in metabolic pathways. In feedback inhibition, the end product of a metabolic pathway acts as an inhibitor for an enzyme involved earlier in the pathway, preventing excessive buildup of that product. How It Works: When a sufficient concentration of the end product accumulates, it binds to an enzyme at an allosteric site (a location other than the active site), forming an enzyme-inhibitor complex. This binding causes a conformational change in the enzyme’s structure, rendering the active site less effective or inactive for binding with its substrate. For example, in the synthesis of the amino acid threonine, aspartate is converted through several enzyme-catalyzed steps. When enough threonine is produced, it acts as a feedback inhibitor, binding to the first enzyme in the pathway and slowing down or stopping further production. Feedback inhibition helps maintain balanc
author avatar

Khurlvin_Kay

24/06/2026 00:40
In this video, we’ll explore the Feedback Inhibition of Enzyme Action, a key mechanism that regulates enzyme activity in metabolic pathways. In feedback inhibition, the end product of a metabolic pathway acts as an inhibitor for an enzyme involved earlier in the pathway, preventing excessive buildup of that product. How It Works: When a sufficient concentration of the end product accumulates, it binds to an enzyme at an allosteric site (a location other than the active site), forming an enzyme-inhibitor complex. This binding causes a conformational change in the enzyme’s structure, rendering the active site less effective or inactive for binding with its substrate. For example, in the synthesis of the amino acid threonine, aspartate is converted through several enzyme-catalyzed steps. When enough threonine is produced, it acts as a feedback inhibitor, binding to the first enzyme in the pathway and slowing down or stopping further production. Feedback inhibition helps maintain balanc
author avatar

🇵🇰🇲🇿🇺🇸🇸🇩🇿🇦🇩🇿🛫🛬💐

24/06/2026 00:40
In this video, we’ll explore Enzyme Inhibitors, focusing on the differences between Reversible and Irreversible Inhibitors and their impact on enzyme function. Reversible Inhibitors: These inhibitors bind to enzymes temporarily, allowing normal enzyme function to resume once the inhibitor is removed. Reversible inhibitors include competitive inhibitors, which bind directly to the active site, competing with the substrate and preventing the formation of the enzyme-substrate complex. Non-competitive inhibitors, on the other hand, bind to a different part of the enzyme, altering its shape and function without directly blocking the active site. Antibiotics often act as reversible inhibitors to slow down bacterial enzymes. Examples of non-competitive inhibitors include nerve gases, cyanide, and certain heavy metals, which bind tightly to enzymes and disrupt critical biochemical pathways. In some cases, these inhibitors disrupt the disulphide bonds within the enzyme, causing irreversible ch
author avatar

user@ Mummy’s jewel

24/06/2026 00:40
In this video, we’ll explore Enzyme Inhibitors, focusing on the differences between Reversible and Irreversible Inhibitors and their impact on enzyme function. Reversible Inhibitors: These inhibitors bind to enzymes temporarily, allowing normal enzyme function to resume once the inhibitor is removed. Reversible inhibitors include competitive inhibitors, which bind directly to the active site, competing with the substrate and preventing the formation of the enzyme-substrate complex. Non-competitive inhibitors, on the other hand, bind to a different part of the enzyme, altering its shape and function without directly blocking the active site. Antibiotics often act as reversible inhibitors to slow down bacterial enzymes. Examples of non-competitive inhibitors include nerve gases, cyanide, and certain heavy metals, which bind tightly to enzymes and disrupt critical biochemical pathways. In some cases, these inhibitors disrupt the disulphide bonds within the enzyme, causing irreversible ch
author avatar

Girlish_touch

24/06/2026 00:40
In this video, we’ll explore Enzyme Inhibitors, focusing on the differences between Reversible and Irreversible Inhibitors and their impact on enzyme function. Reversible Inhibitors: These inhibitors bind to enzymes temporarily, allowing normal enzyme function to resume once the inhibitor is removed. Reversible inhibitors include competitive inhibitors, which bind directly to the active site, competing with the substrate and preventing the formation of the enzyme-substrate complex. Non-competitive inhibitors, on the other hand, bind to a different part of the enzyme, altering its shape and function without directly blocking the active site. Antibiotics often act as reversible inhibitors to slow down bacterial enzymes. Examples of non-competitive inhibitors include nerve gases, cyanide, and certain heavy metals, which bind tightly to enzymes and disrupt critical biochemical pathways. In some cases, these inhibitors disrupt the disulphide bonds within the enzyme, causing irreversible ch
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