Catalyst University
Anatomy & Physiology of the Stomach [Part 2} | Lipases in the Stomach
This is follow-up video to the stomach video in which I briefly discuss the lipase functions within the stomach: [1] gastric lipase [2] lingual lipase (from the oral cavity's intrinsic salivary glands)
Schooling Online
Biology Cells as the Basis of Life: Cell Structure - Animal Cells Part 3
Seeking excitement, Sally embarks on a self-guided ghost tour of Zoo York’s ‘abandoned tunnels’. Will she spot anything spooky? This lesson will finalise our crash course on the structure of animal cells, focusing on components...
Next Animation Studio
Explainer: How the coronavirus (SARS-CoV-2) infects human cells
Researchers from China have used cryo-electron microscopy to show how the virus responsible for COVID-19 attacks humans.
Catalyst University
Protein:Ligand Saturation Equation Derivation
Protein:Ligand Saturation Equation Derivation
JJ Medicine
Hedgehog Signaling Pathway in Vertebrates | Purpose and Mechanism
Introductory lesson on the Hedgehog Signalling Pathway in Vertebrates. The Hedgehog signaling pathway is important in embryological development of both invertebrates and vertebrates. Hedgehog proteins facilitate the activation of the...
Catalyst University
Direct Fibrinolysis: The Plasmin Pathway
Direct Fibrinolysis: The Plasmin Pathway
Catalyst University
Muscle Physiology: Regulatory Proteins; Tropnin and Tropomyosin
Muscle Physiology: Regulatory Proteins; Tropnin and Tropomyosin
Professor Dave Explains
The Inflammatory Response
We touched upon the inflammatory response in the Anatomy & Physiology series, but now it's time to go much deeper. What is inflammation on the cellular level? Which cell types are involved with the response, and what are the mechanisms...
Catalyst University
Digestive Enzyme Cascade in the Small Intestine
Digestive Enzyme Cascade in the Small Intestine
JJ Medicine
Remdesivir & SARS-CoV-2 (COVID-19) | Mechanism of Action, Adverse Effects, Anti-Viral Properties
Remdesivir & SARS-CoV-2 (COVID-19) | Mechanism of Action, Adverse Effects and Overview of Anti-Viral Properties In this lesson, I discuss the antiviral known as remdesivir, including how it is administered, adverse effects of its use,...
JJ Medicine
Macroautophagy | Transcriptional Regulation: Lesson 1
Introductory lesson on the transcriptional regulation of macroautophagy with emphasis on transcriptional activators. Macroautophagy is regulated transcriptionally during feeding, fasting, starvation, hypoxia and DNA damage. In this...
Catalyst University
Graphical Estimation of Kd from P:L Binding Plot
Graphical Estimation of Kd from P:L Binding Plot
JJ Medicine
Wnt/β-Catenin Signaling Pathway | Overview, Purpose and APC Mutations
Lesson on the Wnt/β-Catenin signaling pathway (also known as simply the Wnt signaling pathway), including an introduction to the pathway, Wnt growth stimulatory factors, β-Catenin regulation and role of the pathway in growth,...
Next Animation Studio
New research details what cells are more susceptible to the coronavirus
Specialists from around the world have identified cells in the lungs, nasal passages and intestine that are most susceptible to SARs-CoV-2.
Catalyst University
Huntington's Disease (RE-UPLOAD) | Pathogenesis, Signs/Symptoms, and Detailed Mechanism
In this video, we explore Huntington’s disease: the pathogenesis, the signs and symptoms, and the mechanism as it relates to the basal nuclei in great detail.
Catalyst University
Types I and II Self-Splicing (Autocatalytic) Introns in mRNA
In this video, we explore how pulmonary surfactant (made by type II alveolar cells) prevents alveolar collapse.
Catalyst University
How to Interpret Ramachandran Plots
In this video, I explain the purpose of Ramachandran Plots and how to interpret them.
Catalyst University
Prions | The General Mechanism of Prion Formation and Disease
Prions | The General Mechanism of Prion Formation and Disease