00:01
Hello all, so here the question is that how the viruses are categorized? the virus categorization.
00:13
So here the viruses are mainly categorized based on the morphology.
00:21
So here first one it is morphology, then genetic material whether it is rna or dna or in that single -stranded dna or single -stranded rna and also double -stranded dna or double -stranded rna and also the mode of replication, the mode of replication, then the host range, the host range and also the type of disease they cause based on the type of disease they are the main thing and the major categories include dna viruses, rna viruses, retroviruses, iridoviruses, bacteriophages etc.
01:16
And the second part of this question is that the difference between the lytic and lysogenic cycle.
01:24
So here lytic and lysogenic cycle.
01:33
So here the lytic cycle, the phage inject genetic material into the host.
01:41
So in this the phage inject the genetic material into the host, into the host and it takes control of the cell machinery.
02:03
It takes control of cell machinery and if the genetic material and produces the new phage particles and the host cell eventually lyse or burst.
02:23
So here the host cell, it eventually burst and release new phage particle that can affect the other cell.
02:37
And in case of lysogenic cycle, the phage integrate its genetic material into the host genome.
02:44
So here the phage integrate the genetic material into the host genome, into host.
03:01
That is the first thing that happens here and it become a prophage.
03:07
So here it become prophage and then later what happens the prophage remains dominant and is replicated along with the host cell.
03:24
So it becomes dominant and it will replicate, replicate along with the host cell dna during the cell division and the prophage can be induced to enter the lytic cycle under the certain conditions lead to the production of new phage particle and finally it also lead to the lysis of the cell...