ChemTalk

Category: Biochemistry

tRNA Activation

Core Concepts In this article, you will learn about tRNA activation, the enzymes that facilitate it, and the steps in the tRNA activation reaction. Concepts

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Graphic showing allosteric inhibition of an enzyme

Allosteric Regulation

Core Concepts In this article, we will learn about allosteric regulation, including allosteric inhibition and allosteric activation. We will look at examples of allosteric regulation

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lactic acid fermentation

Lactic Acid Fermentation

Core Concepts In this article you will be able to understand the biochemical pathway that generates lactic acid and its importance in the food industry.

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Proton Hopping

Proton Hopping

Core Concepts In this article, you will be able to describe the combinations of atoms which are capable of hydrogen bonding, identify the two features

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Biological Buffers

Core Concepts – Biological Buffers In this article, you will be able to describe what a buffer is, why buffers are important, and how specific

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Osmosis

Osmosis

Core Concepts In this article, you will learn to describe the tonicity of various solutions, understand what osmosis is, predict the movement of the water,

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Biological Macromolecules

Core Concepts In this article, you will be able to describe the chemical composition and function of the four primary biological macromolecules: carbohydrates, lipids, proteins,

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gluconeogenesis

What is Gluconeogenesis?

Core Concepts In this article, you will be able to define what is gluconeogenesis, explain its tissue-specific roles (e.g. liver vs skeletal muscle), outline several

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Biological Transport

Core Concepts In this article, you will be able to predict the mode of transport a species takes, compare and contrast passive transport and active

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lipid metabolism

Lipid Metabolism

Core Concepts In this article you will be able to fully understand the fascinating procoess of lipid metabolism. At the end of this article you

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TRANSCRIPTION-FACTORS

Transcription Factors

Core Concepts: Transcription Factors The role of transcription factors is to turn genes on and off. In this article you will be able to understand

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gene expression

Gene Expression

Core Concepts This article will help you understand how the transcription of RNA molecules, which code for proteins or perform other roles as non-coding RNA

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metabolic pathways

Metabolic Pathways

Core Concepts In this article, you will be able to understand how metabolic pathways work and the most important ones. You will also be able

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nucleic acids

Nucleic Acids

Core Concepts In this article, you will be able to understand nucleic acids, their conformation and composition, their functions, and the different types. You will

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Nucleotides

Core Concepts Nucleotides are the building blocks of DNA and RNA and contain of three parts: phosphate, sugar, and a nitrogenous base. These three simple

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