Posted inMicrobiology
Posted inMolecular Biology Updates
Structure and Function of Cellular Genomes
Genotype versus Phenotype All cellular activities are encoded within a cell’s DNA. The sequence of…
Posted inMolecular Biology Updates
The Central Dogma
The central dogma of molecular biology describes the two-step process, transcription and translation, by which…
Posted inMolecular Biology Updates
Packaging of DNA Helix in Prokaryotes and Eukaryotes
Packaging in Prokaryotes: In prokaryotes like E. coli, a well-defined nucleus is absent. So, DNA…
Posted inMolecular Biology Updates
Hoogsteen and reverse Hoogsteen base pairs
The A·U (or A·T) Hoogsteen pair is a well-known type of base pair (bp), named…
Posted inMolecular Biology Updates
Franklin’s X-Ray Crystallography Experiments
Refractions & Reflections on the Nature of Science Regular substances like crystals diffract X-rays in characteristic…
Posted inMolecular Biology Updates
The Watson-Crick Model of DNA (1953)
Deoxyribonucleic Acid (DNA) is a double-stranded, helical molecule. It consists of two sugar-phosphate backbones on the outside, held…
Posted inMolecular Biology Updates
Chargaff’s Rule of Base Pairing
The rules of base pairing (or nucleotide pairing) are: This is consistent with there not…
Posted inMolecular Biology Updates
History of DNA Models
Up until James Watson and Francis Crick's experiments, we had very little understanding of exactly…
Posted inMolecular Biology Updates
DNA Strand Diagram
The below mentioned article provides a diagram of DNA strand. (a) DNA is made up…
Posted inMolecular Biology Updates
Secondary Structure of DNA and RNA
Secondary Structure of Deoxyribonucleic Acids: Some observations made on deoxyribonucleic acids in solution suggested that…