Medicosis Perfectionalis Courses

How DNA Repairs Itself - Proofreading, Oncogenes, Tumor Suppressor Genes, Mismatch, Excision Repair

Explains how cells proofread and repair DNA, connecting repair mechanisms with checkpoints and genes that can promote or suppress tumors.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Clostridium Botulinum Characteristics - Microbiology and Infectious Diseases

A concise look at Clostridium botulinum, linking its Gram-positive rod form and spore sources to botulism, flaccid paralysis, and toxin action.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

DNA Replication in Prokaryotes and Eukaryotes - Molecular Biology and Biochemistry

Compare DNA replication in prokaryotes and eukaryotes, highlighting how the process and its polymerases differ.

• YouTube
• 34 minutes
• Self-Paced
• Free Video

The Colon and The Defecation Reflex - Gastrointestinal Physiology

A focused walkthrough of colon anatomy and the defecation reflex within gastrointestinal physiology.

• YouTube
• 17 minutes
• Self-Paced
• Free Video

Telomeres, Centromeres, Telomerase, Heterochromatin, Euchromatin, Histones - Molecular Biology

Explains how telomere shortening connects chromosome ends with aging and cancer, alongside centromeres and chromatin structure.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

Tetanus Disease - Microbiology and Infectious Diseases

A short overview of tetanus disease caused by Clostridium tetani, presented through microbiology and infectious diseases.

• YouTube
• 16 minutes
• Self-Paced
• Free Video

Purines, Pyrimidines, Nucleotides, Nucleosides, DNA, RNA, Denaturation & Annealing

A rapid introduction to DNA and RNA building blocks, from purines and pyrimidines to how nucleic acids denature and anneal.

• YouTube
• 20 minutes
• Self-Paced
• Free Video

DNA Structure and Function - Nucleosides and Nucleotides - Biochemistry and Biology

A concise look at how DNA’s structure is built from deoxyribose, nitrogenous bases, and nucleotide units.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

Bilirubin Metabolism and Jaundice - Gastrointestinal Physiology and Pathology

Traces bilirubin metabolism and connects its stages to hemolytic, hepatocellular, and obstructive jaundice.

• YouTube
• 25 minutes
• Self-Paced
• Free Video

Clostridium Tetani Characteristics - Tetanospasmin- Paralysis - Microbiology and Infectious Disease

An overview of Clostridium tetani’s characteristics and how tetanospasmin causes spastic paralysis.

• YouTube
• 17 minutes
• Self-Paced
• Free Video

Urine Osmolality and Urine Osmolar Gap - ADH, Labs, Clinical Pathology and Pathophysiology

Understand what urine osmolality and the urine osmolar gap reveal about antidiuretic hormone activity and renal concentrating physiology.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

DNA & RNA - Molecular Biology

An introduction to DNA and RNA highlights their molecular structures, differences, and role in the genetic code.

• YouTube
• 19 minutes
• Self-Paced
• Free Video

Bile Acids and Bile Salts - Lipid Emulsification - Liver and Gallbladder - GI Physiology and Biochemistry

See how bile salts emulsify dietary fats and support their absorption, then follow bile recycling to gallstones and fat malabsorption.

• YouTube
• 28 minutes
• Self-Paced
• Free Video

Cardiovascular Physiology - Pressure-Volume Loops, Cardiac Cycle, ESV, EDV, SV, CO, Starling Law

Explore how pressure-volume loops connect the cardiac cycle, stroke volume, and the Frank-Starling law.

• YouTube
• 48 minutes
• Self-Paced
• Free Video

Protein Isolation and Protein Analysis

See how electrophoresis, isoelectric focusing, and chromatography separate proteins for analysis.

• YouTube
• 22 minutes
• Self-Paced
• Free Video