In this article we will discuss about the external and internal symptoms that affect the viruses on plants. Since viruses are the obligate parasites, they impart several external and internal symptoms on host plants. 1. External Symptoms: There is a variety of external symptoms that appear on infected plants. Some of the most common symptoms are described below: (i) Mosaic: [...]
In this article we will discuss about:- 1. Definition of Enzymes 2. Mechanism of Enzyme Action 3. Enzyme Kinetics 4. Allosteric Enzymes 5. Classification 6. Components. Definition of Enzymes: Enzymes are highly specialized proteins which act as catalyst of biological system. Louis Pasteur was the first to recognize the importance of enzymes while studying the fermentation process and denoted it [...]
In this article we will discuss about the structure of rabies viruses (explained with diagram). Rhabdo-viruses have a unique bullet-shaped appearance measuring about 180 × 75 nm. They have an envelope with prominent spikes on surface but not very variable in appearance. Spikes are made up of G protein that haem-agglutinate RBCs. The envelope is lined by the matrix protein [...]