Metaphase – Definition, Stages, Applications
Metaphase is a stage of the cell cycle that occurs in both mitosis and meiosis cell division. During this stage, individual chromosomes cannot be observed in the cell nucleus.
Microbiology
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Cytoplasm – Functions, Structure, Definition, and Diagram
The cytoplasm, a highly viscous substance (gel-like) that is enclosed within the cell membrane. It is composed of water (about 85%), proteins (10-15%), lipids (2-4%) and nucleic acids, inorganic salts, and polysaccharides in smaller amounts. Depending on the cell’s configuration, cytoplasm might also contain occasional inclusions (e.g. stored nutrients and pigments).
Plant cell – Structure, Definition, Diagram, Organelles
Animals, fungi and protists are composed of at least one eukaryotic cell. However archaea and bacteria are composed of only one prokaryotic cell. Plant cells differ from cells belonging to other organisms due to their cell walls, chloroplasts and the central vacuole.
Stroma in chloroplast and Stroma in Animal Tissue
Stroma, as a term in botany, refers to the transparent fluid that surrounds the grana inside the chloroplast. In the stroma, there are the grana (stacks of the thylakoid) and sub-organelles, or daughter cells in which photosynthesis begins prior to the chemical reactions being completed within the stroma.
Membrane Carbohydrate – Types, Structure, and Function
Membranes are made up composed of proteins, carbohydrates, and lipids that are held together with the help of binding forces.
Prokaryotic Cell and Eukaryotic Cell
In the previous article we learned about cell structure and functions. Now in this article we will learn about Prokaryotic and eukaryotic cells. Introduction Hey, if I told you, that you are surrounded by 100 trillion bacterial cells, would you believe? Yes, If you look closer than you will find trillions of bacterial cells on … Read more
Cell Structure and Functions – Cell Organelles
A cell is like the tiny building block that makes up all living things, from plants and animals to bacteria. Imagine it as a microscopic bag filled with stuff that keeps life going. Every cell has a thin outer layer called a membrane, which holds everything inside and controls what goes in or out. Inside, … Read more
List of Top Biotechnology Techniques
Principles Of Biotechnology Biotechnology has grown and changed a lot over the years. The old way of doing it was to use microbes to make products that people could use. Now, the new way is to use genes to make vaccines. So, the European Federation of Biotechnology (EFB) has come up with a new definition … Read more
Biosafety Guidelines – Biosafety guidelines and regulations
Biosafety guidelines provide guidelines, policies, and procedures that must be observed by all personnel who work in facilities handling microbiological agents, such as bacteria, viruses and parasites, fungi and prions. These guidelines are required for all institutions, including clinical and microbiological labs, biomedical research laboratories, teaching and training laboratories, and other healthcare institutions (e.g. hospitals, … Read more
Biosafety Cabinet – Definition, Classification (Class I, II, III), Working Mechanism, Application, Features.
What is Biosafety Cabinet? A biosafety cabinet (BSC), also known as a biological safety cabinet or microbiological safety cabinet, is a specialized laboratory workspace designed to handle materials contaminated with or potentially contaminated with pathogens requiring a specific biosafety level. The primary purpose of a biosafety cabinet is to provide a safe working environment for … Read more