NEET BIOLOGY

Detailed explanation-1: -The lysogenic cycle: The phage infects a bacterium and inserts its DNA into the bacterial chromosome, allowing the phage DNA (now called a prophage) to be copied and passed on along with the cell’s own DNA.

Detailed explanation-2: -B is correct. In both creatures, the viral DNA is replicating both its DNA and the capsid coverings it needs to survive in the environment. This is known as the lytic cycle. Because Dengue does not infect bacteria, it is like most eukaryotic viruses in that it uses the lysogenic cycle as little as possible, if at all.

Detailed explanation-3: -The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. The lysogenic cycle involves the incorporation of the viral genome into the host cell genome, infecting it from within.

Detailed explanation-4: -There are two processes used by viruses to replicate: the lytic cycle and lysogenic cycle. Some viruses reproduce using both methods, while others only use the lytic cycle.