Web Microbiology at ACM

Chapter 9, Episode 35 This episode introduces the chemical requirements for microbial growth, including essential nutrients (CHONPS) and the distinction between macronutrients and micronutrients. It also covers the composition of the cytoplasm as a solution, water movement through osmosis (hypotonic, isotonic, hypertonic conditions), and basic mechanisms cells use to maintain internal balance unde...

Chapter 2, Episode 9 This episode covers proteins, nucleic acids, and ATP as the core molecules of cellular function. You’ll explore protein structure and function, DNA and RNA as information molecules, and ATP as the cell’s energy currency.

Chapter 2, Episode 8 This episode introduces carbohydrates and lipids, emphasizing their roles in energy storage, structure, and membranes. Topics include monosaccharides, polysaccharides, fatty acids, phospholipids, and how molecular structure explains function.

Chapter 2, Episode 7 This episode focuses on carbon as the backbone of biological molecules and explains how functional groups determine chemical behavior. You’ll learn how hydroxyl, carboxyl, amino, phosphate, and methyl groups shape molecular structure and function

Chapter 2, Episode 6 This episode explains why water is the chemical foundation of life and how its properties influence cellular function. Topics include polarity, solutions, concentration, acids and bases, the pH scale, buffers, and how pH affects enzymes and microbial growth.

Chapter 2, Episode 5 This episode reviews the basic chemistry needed for microbiology, including atomic structure, elements essential for life, and the major types of chemical bonds. You’ll learn how polarity, electronegativity, and weak interactions like hydrogen bonds explain biological structure and function.  

Chapter 1, Episode 4 This episode explains how microorganisms are classified and named using modern taxonomy. Major topics include the three domains of life, differences between prokaryotes and eukaryotes, binomial nomenclature, and why genetic data is essential for microbial classification and identification.

Chapter 1, Episode 3 This episode explores the historical experiments that led scientists to reject spontaneous generation and accept germ theory. You’ll review key scientists, classic experiments, Koch’s postulates, and what a scientific theory really means in microbiology

Chapter 1, Episode 2 This episode clarifies the relationship between microbes and disease, emphasizing that most microorganisms are harmless or beneficial. Topics include pathogens vs. microbes, communicable vs. noncommunicable diseases, emerging and reemerging diseases, and the role of host immunity and exposure.

Chapter 1, Episode 1 An introduction to microbiology as the study of microscopic life, including cellular and acellular organisms, and why microbes matter beyond disease. Key topics include the seven major groups of microorganisms, pathogens vs. non-pathogens, and the concept of microbial ubiquity. 

Chapter 14, Episode 57 Epidemiology studies disease patterns using measures like prevalence and incidence, along with data from diagnosis and reporting systems. It emphasizes how test accuracy (sensitivity vs. specificity) depends on context and highlights the importance of critically evaluating research, especially distinguishing correlation from causation.

Chapter 13, Episode 56 Finish the infection cycle by learning how pathogens exit the body and spread to new hosts. This episode covers direct and indirect transmission, reservoirs, carriers, and vectors, as well as the stages of infection from incubation to recovery. It also introduces Koch’s postulates and how scientists determine the cause of disease.

Chapter 13, Episode 55 Once inside the body, pathogens must attach, survive, and cause damage. This episode examines the tools microbes use to establish infection, including virulence factors like adhesins, enzymes, and toxins, and explains how infections can remain localized or spread systemically. It also introduces how symptoms develop and the role of the immune response in disease.

Chapter 13, Episode 54 Explore how pathogens gain access to the body and what determines whether exposure leads to infection. This episode breaks down portals of entry, infectious dose, and the protective role of the microbiome, while also introducing key concepts like opportunistic, endogenous, and exogenous infections.