Science

Metabolism Defined Icon

Central Metabolism – Metabolic Routes Chart

Metabolic Routes In the Fed and Fasting States Chart of Metabolic Routes from Central Metabolism Hub Last Update: November 3, 2024 Picture_Metabolic Routes from Central Metabolism Hub (Fed State and Fasting State)     Cellular Respiration can be seen as a core metabolic hub, connecting various catabolic and anabolic pathways.  For this reason, it’s sometimes […]

Central Metabolism – Metabolic Routes Chart Read More »

Cellular Respiration Icon Picture

Cellular Respiration Simplified Flow Charts

Cellular Respiration Cellular Respiration Simplified Flow Charts Last Update: November 2, 2024 The charts below show the Cellular_Respiration reaction pathway starting with Glucose. Version 1 Chart is a simple template  Version 2 Chart shows the cell locations of the reactions and the 2:1 molar relationship between Pyruvate and Glucose.  Cellular_Respiration can be seen as a

Cellular Respiration Simplified Flow Charts Read More »

Cellular Respiration Icon Picture

Glycolysis Reactions Flow Charts

Glycolysis / Gluconeogenesis Glycolysis and Gluconeogenesis Reaction Pathways Last Update: November 2, 2024 The charts below show the Cellular Respiration reaction pathway with a focus on Glycolysis (the break down of Glucose) and Gluconeogenesis.  Gluconeogenesis is the formation of glucose from non-carbohydrate sources like lactate, glycerol, and glucogenic amino acids (but not from Fatty Acids.)

Glycolysis Reactions Flow Charts Read More »

ATP Structure

ATP (Adenosine Triphosphate)

Menu (linked Index) ATP (Adenosine Triphosphate) Last Update: October 26, 2024 Introduction ATP Structure ATP Hydrolysis/Phosphorylation Conclusion Introduction Adenosine Triphosphate (ATP) is the “energy currency” of the cell because it contains the energy needed to fuel cellular processes.  This post describes the structure of Adenosene Triphosphate (ATP) as well its hydrolysis by water.  Return to

ATP (Adenosine Triphosphate) Read More »

Generic Macromolecule Symbol

Macro Molecules, Minerals, and Vitamins – A Primer

Menu (linked Index) Macro Molecules, Minerals, and Vitamins – A Primer.  Last Update: October 27, 2024  Introduction Carbohydrates Proteins Lipids Nucleic Acids Vitamins and Minerals Introduction This article will give you a high level introduction to Macro Molecules as well as Vitamins and Minerals.  Macro Molecules are large (macro) molecules composed of many atoms. Be

Macro Molecules, Minerals, and Vitamins – A Primer Read More »

Metabolism Defined Icon

Metabolism Defined

Menu (linked Index) Metabolism Defined Last Update: October 26, 2024 Introduction Metabolism Defined Big Picture (Catabolism,Respiration,Anabolism) Conclusion Introduction Metabolism involves the bodily chemical reactions that sustain life. In this post we’ll define human Metabolism in the context of the breaking down of nutrients (Catabolism), energy production (Cellular Respiration), and molecule building (Anabolism).  I’d recommend that

Metabolism Defined Read More »

Enzyme Primer

Menu (linked Index) Enzyme Primer Last Update: October 25, 2024  Introduction Activation Energy Reaction Coordinate Diagram Arrhenius Equation and Maxwell Boltzmann Distribution Enzymes Conclusion Enzyme Reference Material Introduction Biological enzymes accelerate and enable biochemical reactions to occur at physiologically required rates. In this post: We’ll explore the concept of Activation Energy and how enzymes reduce it.

Enzyme Primer Read More »

DNA RNA Simple Icon

Genetics Basics

Menu (linked Index) Genetics Basics  Last Update: October 25, 2024 Introduction Chromosomes DNA and RNA Structure Transcription and Translation References Introduction Genetics is the science of genes, those chunks or segments of DNA that carry the blueprints of our bodies.  In this post, I’ll describe the key molecules that carry our genetic code (DNA and RNA). 

Genetics Basics Read More »

Animal Cell Icon

Human Cell Structure

Menu (linked Index) Human Cell Components Last Update: October 23/2024 Introduction Human Cell Component Names and Descriptions References Introduction This post shows a picture of a typical human cell with its various membrane bound organelles or inner structures.  High level definitions are provided for these organelles.   In my opinion, the most efficient way to get

Human Cell Structure Read More »

Closeup: B-Cell with antibodies

The Immune System – A Primer

Menu (linked Index) The Immune System – A Primer Last Update: August 22, 2024  Introduction Purpose Key Definitions Where the Immune System Operates Immune System Response Innate Immune System Response Adaptive Immune System Response Immunization/Vaccination Immune System Disorders Immune Health Conclusion Appendix 1 – Blood Components Introduction Your Immune System employs amazing defense mechanisms that

The Immune System – A Primer Read More »