Expand the following and mention one application of the following
(i) PCR (ii) ELISA
(i) PCR - Polymerase Chain Reaction. It is used to amplify the gene of interest.
(ii) ELISA - Enzyme linked Immuno-sorbent Assay. It is widely used as diagnostic test for AIDS.
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions.
(a) Acrosome
(b) Nucleus
(c) Middle piece
In a cross between two tall pea plants some of the off-springs produced were dwarf. Show with the help of Punnett square how this is possible.
(a) Mention the difference in the mode of action of exonuclease and endonuclease.
(b)How does restriction endonuclease function?A student on a school trip started sneezing and wheezing soon after reaching the hill station for no explained reasons. But, on return to the plains, the symptoms disappeared. What is such a response called? How does the body produce it?
Write the function of adenosine deaminase enzyme. State the cause of ADA deficiency in humans. Mention a possible permanent cure for ADA deficiency patient.