What Is Ribosome?
admin Ribosome is small organelle without any membrane. Its size ranges from 15 – 20 nm. They are classified as free and fixed. Fixed are those which are bound to plasma…
What Are Chromatophores?
Chromatophores are present in photosynthetic organism as internal membranes systems. The different color bacteria like purple, green are included in this group.
Definitions Related To Monera
Nucleoid is the genetic product of Kingdom Monera. It is also known as genophore or chromoneme. It has single circular strand of DNA. DNA has no association with proteins and…
What Are Bacterial Flagella?
Bacterial Flagella are single stranded quite similar to micro tubular fibre. They are 7 um in length and 0.02 um in diameter. Basal body, hook and filament constitute the bacterial…
What Are Pili & Fimbriae?
Pili are synonym with appendages .They are longer, thicker tube like outgrowths and have no role to play in movement. They are made of pilin and attach themselves to conjugation…
Explain Reproduction Phases In Bacteria?
Binary fission, sporulation and sexual reproduction are three main phases of reproduction in bacteria. Binary Fission is the most common method of reproduction. A mature bacterium divides into two equal…
Explain The Respiration Process In Bacteria?
The respiration in bacteria is basically of two types aerobic and anaerobic which may be obligate or facultative. They are further classified as: Obligate aerobes: These are strict aerobes that…
Explain The Nutrition System In Bacteria?
Autotrophic and Heterotrophic are the main mode of nutrition in bacteria. The autotrophic bacteria make their own food from outside sources of energy. They are further divided into chemo and…
What are Antibiotics?
These are referred as secretions released by small organisms which inhibit or destroy the pathogens without affecting the host. Penicillin was the first antibiotic to get discovered. It was Fleming…
What Are Actinomycetes?
Actinomycetes are without septate, mycelia tree like branched long filament structures which form radiating colony like structure. They are also referred as ray fungi. They have less than 1 um…