Category: Cell Biology

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Difference between SEM and TEM

Electron microscopes are of two types namely, Scanning electron microscope (SEM) and Transmission electron microscope (TEM). We will further discuss the difference between SEM and TEM. Introduction Before digging deeper...

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Ribosomes: The Protein Factory Of The Cell

A ribosome is an intercellular structure made of both RNA and protein. It is the cellular machinery responsible for protein synthesis. Ribosomes are also called “protein factories” of the cell....

fluorescence microscopy 0

Fluorescence microscopy

Amazing scientific advancements have been made in recent years, and the protocol for conducting a research project calls for a variety of tools, the microscope being one of the most...

confocal microscopy 0

Confocal Microscopy

A confocal laser scanning microscope (CLSM) has gained popularity in recent years due to its ability to provide clear images of specimens that, when viewed through a traditional microscope, would...

Anton van Leeuwenhoek- discovery of cells 0

Who discovered the cell?

Cells are the known to be the smallest units of life. Each cell is a universe on its own, containing a nucleus with genetic material, a membrane that protects the...

Secondary structure of proteins 0

Structure of Proteins

Proteins are large, complex molecules and are heteropolymers containing amino acids as the monomeric units which are particularly attached to form long chains. Proteins play many critical roles in the...

Nucleus is a double membrane cell organelle 0

Is Nucleus a double membrane organelle?

Robert Brown discovered Nucleus in 1831, a double membrane organelle. During his experiments, he observed a structure in plant cells and termed it as “nucleus”. Walther Flemming in 1879 discovered...

Vaccination and Immunization 0

Is Vaccination a key to Immunization?

Do you think vaccination and immunization mean the same? Vaccination is the administration of a vaccine to help the immune system develop protection from disease. It is an intentional exposure...