THE MOLECULAR BASIS OF INHERITANCE
VIRUSES AND PRIONS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Viruses are used to produce vaccines for prevention of certain viral infections.
|
|
true
|
|
|
false
|
Explanation:
Detailed explanation-1: -There are several viral infectious diseases with a high impact on developing countries which can be prevented by immunization with existing vaccines. The most important are poliomyelitis, measles, hepatitis B and yellow fever.
Detailed explanation-2: -Newly released virions can infect adjacent cells. A lysogenic cycle kills the host cell is not true statement of Viral replication.
Detailed explanation-3: -Viral vector vaccines also contain genetic material that give our cells instructions to produce antigens. They use a harmless virus as the ‘vector’ or carrier – which is different from the one the vaccine is targeting – to deliver these instructions into the cell. An example is the rVSV-ZEBOV Ebola vaccine.
There is 1 question to complete.