In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.
(a) Fill in (1) and (2).
(b) Why is the virus called retrovirus?
(c) Can the infected cell survive while viruses are being replicated and released ?

In the given flow diagram, the replication of retro virus in a host is shown. Observe and answer the following questions. (a) Fill in (A) and (B)

In the given flow diagram, the replication of retro virus in a host is shown. Observe and answer the following questions. (a) Fill in (A) and (B)

Observe the cell drawn and answer the following questions: How can the cell be brought back to the condition of cell shown in the diagram?

To find out the unknown genotype of a violet flowered pea plant a researcher done the following cross. Observe the diagram and answer the following questions. a. What would be the above cross called ? b. Can you determine the unknown genotype of violet flowered parent by drawing Punnet swuare ?

Observe the figure and answer the following questions: (a) What does A,B,C,D and E represent in the given figure? (b) What type of embryo is shown in figure ? (c ) What is the function of A and B ?

Carefully observe the given diagrams and give answer of following questions : Identify organisms (a), (b), (c), (d) and write their names.

Study the diagram showing replication of HIV in humans and answer the following questions accordingly : (i) Write the chemical nature of the coat A . (ii) Name the enzyme B acting on X to produce molecule 0 . N ame 0 . (iii) Mention the riame of the host cell D the HIV attacks first when it enters into the human body. (iv) Name the two different cells the new viruses E suibsequently attack.