Lac operon- Definition, structure, Inducers, diagram
Lac operon definition The lactose or lac operon of Escherichia coli is a cluster of three structural genes encoding proteins invol...
Molecular Biology
Molecular biology is a branch of biology that deals with the composition, structure, and function of cellular molecules like proteins and nucleic acids essential for the cellular functions and mechanisms.
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Tryptophan (Trp) Operon
Many protein-coding genes in bacteria are clustered together in operons which serve as transcriptional units that are coordinately regulated...
DNA Fingerprinting- Principle, Methods, Applications
DNA fingerprinting or DNA profiling is a process used to determine the nucleotide sequence at a certain part of the DNA that is un...
PCR Machine- Principle, Parts, Steps, Types, Uses, Examples
PCR machine is also known as thermal cyclers or DNA amplifiers, or thermocyclers. PCR machines amplify small segments of DNA or RNA cho...
RT-PCR: Definition, Principle, Enzymes, Types, Steps, Uses
Polymerase chain reaction (PCR) is a temperature-dependent nucleic acid amplification technique used to amplify the DNA or&nb...
Post Translational Modification- Definition, Processing
Post-translational modifications refer to any alteration in the amino acid sequence of the protein after its synthesis. It may involve...
Topoisomerase: Types, Structure, Functions, Mechanism
Isomerase enzymes form or assist in forming isomers of any biological components. They assist in the rearrangement process of different biom...
Prokaryotic and Eukaryotic RNA Polymerase
Introduction Ribonucleic Acid (RNA) Polymerase (RNAP) enzyme is a multi-subunit enzyme that applies its activity in the catalyzation of...
What is DNA Replication?
IntroductionDeoxyribonucleic acid (DNA) is a nucleic acid that is made up of three components: a deoxyribose sugar, a phosphate, and a nitro...
Eukaryotic and Prokaryotic DNA Polymerase
IntroductionDNA polymerases are a group of enzymes that are used to make copies of DNA templates, essentially used in DNA replication&n...
Electroporation: Definition, Principle, Steps, Uses
Introduction Electroporation, also called electropermeabilization (EP), is a physical method of introducing genetic material, proteins, drug...
What is a DNA? An Introduction
IntroductionDNA stands for Deoxyribonucleic Acid, which is a molecule that contains the instructions an organism needs to develop,...