In this method, an individual desired cell is picked up from the mixed culture and allowed to grow. For this purpose following two methods are used: Capillary Pipette Method : In this method (figure), a few small drops of a...
Archive - February 2023
Culture is a procedure during which microorganisms are cultivated in a medium; if a culture has the population of a single type of microorganism; it is known as a pure culture. Usually, isolation and growth of pure cultures of...
To cultivate a specific microbe, following methods are used : Methods of Culturing Aerobic Bacteria : An atmosphere having oxygen in ample amount facilitates the growth of aerobic or facultative bacteria. For this, a large...
On the basis of morphology, bacteria are classified into the following three forms: Spherical : These are coccus bacteria which are spherical in shape. The word coccus originated from the Greek word kokkos meaning berry. They are...
Structure enclosed by the cell membrane is known as cytoplasm, which is aqueous, semitransparent, elastic, and thick. Cytoplasm consists of 80% water and remaining 20% include proteins (enzymes), carbohydrates, lipids...
Immediately below the cell wall, plasma membrane is present which is also known as cytoplasmic membrane, inner membrane, or cell membrane. In prokaryotes, plasma membrane thickness is about 7.5nm (0.0075μm). Phospholipids :...
