Saturated vs. Unsaturated Fats: Structures, Examples & Quiz
Saturated vs. unsaturated fats explained with fatty-acid structures (16:0, 18:1, 18:2), food examples, an interactive explorer, 10-question quiz, and rare 1915 textbook photos.
BCC Magazine
Comprehensive web-based toolkit for life science and related technologies (Mass-informatics, Chemoinformatics, Bioinformatics).
One click, One function, One result
BioChemCalc (BCC) is a scientific abacus for the pocket of every wet-lab biologist．
BioChemCalc（BCC） is a web-based tool for essential calculations and checks in everyday life science research． BCC Magazine shares practical uses of BCC and useful research insights to support open and independent science．
Enzyme Inhibition Explained: Competitive vs. Noncompetitive, Km, Vmax & Quiz
Learn competitive, noncompetitive, uncompetitive and mixed enzyme inhibition. Compare Km and Vmax, explore live Michaelis–Menten graphs, and try 10 quiz questions.
How Many Chromosomes Do Humans Have? 46 vs. 23 Explained
Humans usually have 46 chromosomes in body cells and 23 in sperm or eggs. Learn chromosome number, meiosis, 46 vs. 48 history, and take a free quiz.
Punnett Square Calculator: Examples, Ratios & Practice Quiz
Use a free Punnett square calculator for monohybrid and dihybrid crosses. Learn genotype and phenotype ratios, practice with 10 questions, and explore 1922 genetics diagrams.
Functional Groups Chart: 40 Organic Chemistry Structures & Quiz
Learn 40 organic chemistry functional groups with a labeled structure chart, identification tips, and a free interactive three-choice practice quiz.
Lipid Structure Quiz: 20 Essential Lipids
Test your knowledge of 20 essential lipid structures, including fatty acids, phospholipids, sphingolipids, gangliosides, and cholesterol. Identify each molecule, its lipid class, and its structural features.
DNA and RNA Structure Quiz: 20 Bases, Nucleosides, and Nucleotides
Learn to identify 20 nucleobases, nucleosides, and nucleotides from chemical structures, then take a 60-point interactive quiz.
Carbohydrate Structure Quiz: 18 Sugars, Chemical Structures, Names, and Classification
Learn the chemical structures and names of 18 monosaccharides and disaccharides, then test yourself with an interactive carbohydrate structure quiz.
The 20 Amino Acids: Structures, Properties, 3-Letter Codes, 1-Letter Codes, and Interactive Quiz
Learn the structures, properties, three-letter codes, and one-letter codes of the 20 standard amino acids, then test yourself with an interactive structure-based quiz.