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Related Concept Videos

Enzyme Kinetics01:19

Enzyme Kinetics

105.6K
Enzymes speed up reactions by lowering the activation energy of the reactants. The speed at which the enzyme turns reactants into products is called the rate of reaction. Several factors impact the rate of reaction, including the number of available reactants. Enzyme kinetics is the study of how an enzyme changes the rate of a reaction.
Scientists typically study enzyme kinetics with a fixed amount of enzyme in the controlled environment of a test tube. When more reactant, or substrate, is...
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Introduction to Enzyme Kinetics01:19

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Enzyme kinetics studies the rates of biochemical reactions. Scientists monitor the reaction rates for a particular enzymatic reaction at various substrate concentrations. Additional trials with inhibitors or other molecules that affect the reaction rate may also be performed.
The experimenter can then plot the initial reaction rate or velocity (Vo) of a given trial against the substrate concentration ([S]) to obtain a graph of the reaction properties. For many enzymatic reactions involving a...
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Enzymes02:34

Enzymes

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Inside living organisms, enzymes act as catalysts for many biochemical reactions involved in cellular metabolism. The role of enzymes is to reduce the activation energies of biochemical reactions by forming complexes with its substrates. The lowering of activation energies favor an increase in the rates of biochemical reactions.
Enzyme deficiencies can often translate into life-threatening diseases. For example, a genetic abnormality resulting in the deficiency of the enzyme G6PD...
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Introduction to Mechanisms of Enzyme Catalysis01:13

Introduction to Mechanisms of Enzyme Catalysis

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For many years, scientists thought that enzyme-substrate binding took place in a simple "lock-and-key" fashion. This model stated that the enzyme and substrate fit together perfectly in one instantaneous step. However, current research supports a more refined view scientists call induced fit. The induced-fit model expands upon the lock-and-key model by describing a more dynamic interaction between enzyme and substrate. As the enzyme and substrate come together, their interaction causes...
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Introduction to Mechanisms of Enzyme Catalysis01:13

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Enzyme Inhibition01:30

Enzyme Inhibition

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Inhibitors are molecules that reduce enzyme activity by binding to the enzyme. In a normally functioning cell, enzymes are regulated by a variety of inhibitors. Drugs and other toxins can also inhibit enzymes. Some inhibitors bind to the enzyme’s active site, while others inhibit enzymatic activity by binding to other sites on the protein structure.
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Updated: Mar 16, 2026

Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes
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Unraveling Entropic Rate Acceleration Induced by Solvent Dynamics in Membrane Enzymes

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Why the latest subs increase?

D Harding-Price1

  • 1Steward.

Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
|August 16, 2016
PubMed
Summary
This summary is machine-generated.

Royal College of Nursing members face an £8 subscription fee increase. This change impacts membership costs for nurses across the UK.

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Area of Science:

  • Nursing
  • Professional Organizations

Background:

  • The Royal College of Nursing (RCN) is a professional body for nurses.
  • RCN membership fees are subject to review and potential adjustments.

Purpose of the Study:

  • To inform Royal College of Nursing (RCN) members about a proposed £8 increase in annual subscription fees.
  • To ensure transparency regarding financial changes affecting RCN membership.

Main Methods:

  • Communication of the subscription fee adjustment to RCN members.
  • Dissemination of information regarding the financial implications for membership.

Main Results:

  • Members are being notified of an £8 rise in their subscription costs.
  • The proposed increase is a key point of awareness for the nursing community.

Conclusions:

  • The Royal College of Nursing is implementing a subscription fee adjustment.
  • Members should be aware of the upcoming change in membership financial obligations.