Enzyme Inhibition: An Introduction

1. Irreversible Inhibition Examples 2. Reversible Inhibition Competitive Inhibitors Example A good example of competitive inhibition is provided by succinate dehydrogenase. The enzyme uses succinate as its substrate and is … Read more

What are Enzymes? An Introduction

Lock and key model and Induced fit model

Properties of Enzymes Coenzymes and prosthetic groups Holo enzymes and Apo enzymes A complete catalytically-active enzyme together with its coenzyme or metal ion is called a holoenzyme. The protein part … Read more

What are Membrane Carbohydrates?

Membrane Carbohydrate Structure

Membrane Carbohydrate Types Carbohydrate groups are present only on the outer surface of the plasma membrane and are attached to proteins, forming glycoproteins, or lipids, forming glycolipids. Glycoproteins Glycolipids Proteoglycans Membrane Carbohydrate … Read more

Passive Transport: Features, Types, Functions

Passive Transport

Image Source: Pearson Education Features of Passive Transport Types of Passive Transport The four main kinds of passive transport are simple diffusion, facilitated diffusion, filtration, and/or osmosis. Simple Diffusion Facilitated diffusion Filtration Osmosis Channels … Read more

What are Membrane Lipids?

Membrane Lipids

Image: The major membrane lipids and Space-filling models of (a) sphingomyelin and (b) cholesterol. Source: Wikipedia Membrane Lipid Composition A. Glycerol‐based lipids Glycerol‐based lipids can be divided into two broad … Read more