Biology

Last Updated on May 24, 2023 by Nourhan Essam   Molecular biology of the cell involves different macromolecules or biomolecules like proteins, carbohydrates, lipids, DNA and RNA (nucleic acids) and amino acids. It focuses on studying their chemical and physical structures, compositions, modification, mechanisms, interactions, and functions which are essential and vital to life processes. In this article, you will …

Last Updated on March 23, 2023 by Nourhan Essam Microbiology is a branch of science that deals with the study of microorganisms like bacteria, viruses, fungi and other protozoa. It also includes their interactions with each other and the environment. To study microbiology well, we need a special laboratory which is called “Microbiology Lab”. In this blog, you will learn …

Last Updated on March 9, 2023 by Nourhan Essam The XTT assay is an assay used for cellular metabolic activity measuring as an indicator of cell cytotoxicity, viability and proliferation. XTT assay stands for (2,3-bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide) which is a tetrazolium-based compound. XTT is a colorless or slightly yellow compound and becomes brightly orange when reduced. In this article we will explain …

Last Updated on March 5, 2024 by Nourhan Essam You’ve probably heard the phrase Krebs cycle thrown around before. If you’re at all interested in biology, general science, etc. Then you know that the Krebs cycle has a vital role inside our bodies. But what exactly is it? Why does it deserve such an important name? You know what I’m …

Last Updated on June 18, 2023 by Sara Assem To understand and study the world of microorganisms, we need special techniques or methods that are called “Microbiology techniques”.  Microbiology techniques are the methods used for studying microbes (ex: bacteria, fungi and protest). The purpose of these techniques include microbial identification, staining, engineering, survey, culturing and manipulation. What are Microbiological Techniques? …