What are bacteria? Bacteria are a large group of prokaryotic microorganisms (without nuclei) with various possible shapes and sizes. Although all prokaryotic organisms used to be grouped under the term “bacteria”, today they are divided into two categories in taxonomy: the bacterial domain and the archaeal domain. Both are summarized Read more…
Who proposed the cell theory? Cell theory The cell theory was given by Matthias Jacob Schleiden (Mathias Jacob Scliden, 1838) and Theodore Schwann (Theodore Schwann, 1839). He said that the body of plants and animals is made up of cell and cell products. Rudolf Virchow first reported that Omnis Cellulaie Read more…
What is a lysosome? The word Lysosome is made up of two Greek words Lyso and Soma. Lyso means digestive and soma means action ie Lysosome means a digestive function. Lysosomes were discovered by De Duve. Alex Novikoff looked at the lysosome in the cell by electron microscope and named it lysosome. It is Read more…
What is a cytoplasm? The internal (protoplasm) of the cells is called the cytoplasm, which occupies the area between the cell nucleus and the plasma membrane. It is a colloidal dispersion of a fluid called cytosol or hyaloplasm, very fine in a granular appearance and composition. It consists of different Read more…
What does the mitochondria do? Mitochondria Greek word Bhashake two words Mitos ie thread (Thread) and Chondrion means is composed of particles (granule). Therefore, mitochondria are also known as the powerhouse of the cell. The randomly scattered double-membrane organelles in the cytoplasm of all living plant and animal cells are called neoplasms or mitochondria. With the help Read more…
Ribosome The ribosome is found independently in the cytoplasm and as a rash on the rough endoplasmic reticulum. The ribosome is found in all cells except RBC cells (eukaryotic cells and prokaryotic cells). Is the smallest cell unit. Ribosome explorers Robinson and Brown (in bean roots) Nominee – Palade (seen Read more…